20256476800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31183}}^1$

素因数の和:31243

約数の個数: 192

約数和(自身を含む): 59162284800

約数和(自身を除く): 38905808000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 64, 70, 80, 100, 112, 116, 128, 140, 145, 160, 175, 200, 203, 224, 232, 280, 290, 320, 350, 400, 406, 448, 464, 560, 580, 640, 700, 725, 800, 812, 896, 928, 1015, 1120, 1160, 1400, 1450, 1600, 1624, 1856, 2030, 2240, 2320, 2800, 2900, 3200, 3248, 3712, 4060, 4480, 4640, 5075, 5600, 5800, 6496, 8120, 9280, 10150, 11200, 11600, 12992, 16240, 18560, 20300, 22400, 23200, 25984, 31183, 32480, 40600, 46400, 62366, 64960, 81200, 92800, 124732, 129920, 155915, 162400, 218281, 249464, 311830, 324800, 436562, 498928, 623660, 649600, 779575, 873124, 904307, 997856, 1091405, 1247320, 1559150, 1746248, 1808614, 1995712, 2182810, 2494640, 3118300, 3492496, 3617228, 3991424, 4365620, 4521535, 4989280, 5457025, 6236600, 6330149, 6984992, 7234456, 8731240, 9043070, 9978560, 10914050, 12473200, 12660298, 13969984, 14468912, 17462480, 18086140, 19957120, 21828100, 22607675, 24946400, 25320596, 27939968, 28937824, 31650745, 34924960, 36172280, 43656200, 45215350, 49892800, 50641192, 57875648, 63301490, 69849920, 72344560, 87312400, 90430700, 99785600, 101282384, 115751296, 126602980, 139699840, 144689120, 158253725, 174624800, 180861400, 202564768, 253205960, 289378240, 316507450, 349249600, 361722800, 405129536, 506411920, 578756480, 633014900, 698499200, 723445600, 810259072, 1012823840, 1266029800, 1446891200, 2025647680, 2532059600, 2893782400, 4051295360, 5064119200, 10128238400, 20256476800]

約数ペア:

[(1, 20256476800), (2, 10128238400), (4, 5064119200), (5, 4051295360), (7, 2893782400), (8, 2532059600), (10, 2025647680), (14, 1446891200), (16, 1266029800), (20, 1012823840), (25, 810259072), (28, 723445600), (29, 698499200), (32, 633014900), (35, 578756480), (40, 506411920), (50, 405129536), (56, 361722800), (58, 349249600), (64, 316507450), (70, 289378240), (80, 253205960), (100, 202564768), (112, 180861400), (116, 174624800), (128, 158253725), (140, 144689120), (145, 139699840), (160, 126602980), (175, 115751296), (200, 101282384), (203, 99785600), (224, 90430700), (232, 87312400), (280, 72344560), (290, 69849920), (320, 63301490), (350, 57875648), (400, 50641192), (406, 49892800), (448, 45215350), (464, 43656200), (560, 36172280), (580, 34924960), (640, 31650745), (700, 28937824), (725, 27939968), (800, 25320596), (812, 24946400), (896, 22607675), (928, 21828100), (1015, 19957120), (1120, 18086140), (1160, 17462480), (1400, 14468912), (1450, 13969984), (1600, 12660298), (1624, 12473200), (1856, 10914050), (2030, 9978560), (2240, 9043070), (2320, 8731240), (2800, 7234456), (2900, 6984992), (3200, 6330149), (3248, 6236600), (3712, 5457025), (4060, 4989280), (4480, 4521535), (4640, 4365620), (5075, 3991424), (5600, 3617228), (5800, 3492496), (6496, 3118300), (8120, 2494640), (9280, 2182810), (10150, 1995712), (11200, 1808614), (11600, 1746248), (12992, 1559150), (16240, 1247320), (18560, 1091405), (20300, 997856), (22400, 904307), (23200, 873124), (25984, 779575), (31183, 649600), (32480, 623660), (40600, 498928), (46400, 436562), (62366, 324800), (64960, 311830), (81200, 249464), (92800, 218281), (124732, 162400), (129920, 155915)]