20217202400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{64633}}^1$

素因数の和:64693

約数の個数: 144

約数和(自身を含む): 54531447264

約数和(自身を除く): 34314244864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 32, 34, 40, 46, 50, 68, 80, 85, 92, 100, 115, 136, 160, 170, 184, 200, 230, 272, 340, 368, 391, 400, 425, 460, 544, 575, 680, 736, 782, 800, 850, 920, 1150, 1360, 1564, 1700, 1840, 1955, 2300, 2720, 3128, 3400, 3680, 3910, 4600, 6256, 6800, 7820, 9200, 9775, 12512, 13600, 15640, 18400, 19550, 31280, 39100, 62560, 64633, 78200, 129266, 156400, 258532, 312800, 323165, 517064, 646330, 1034128, 1098761, 1292660, 1486559, 1615825, 2068256, 2197522, 2585320, 2973118, 3231650, 4395044, 5170640, 5493805, 5946236, 6463300, 7432795, 8790088, 10341280, 10987610, 11892472, 12926600, 14865590, 17580176, 21975220, 23784944, 25271503, 25853200, 27469025, 29731180, 35160352, 37163975, 43950440, 47569888, 50543006, 51706400, 54938050, 59462360, 74327950, 87900880, 101086012, 109876100, 118924720, 126357515, 148655900, 175801760, 202172024, 219752200, 237849440, 252715030, 297311800, 404344048, 439504400, 505430060, 594623600, 631787575, 808688096, 879008800, 1010860120, 1189247200, 1263575150, 2021720240, 2527150300, 4043440480, 5054300600, 10108601200, 20217202400]

約数ペア:

[(1, 20217202400), (2, 10108601200), (4, 5054300600), (5, 4043440480), (8, 2527150300), (10, 2021720240), (16, 1263575150), (17, 1189247200), (20, 1010860120), (23, 879008800), (25, 808688096), (32, 631787575), (34, 594623600), (40, 505430060), (46, 439504400), (50, 404344048), (68, 297311800), (80, 252715030), (85, 237849440), (92, 219752200), (100, 202172024), (115, 175801760), (136, 148655900), (160, 126357515), (170, 118924720), (184, 109876100), (200, 101086012), (230, 87900880), (272, 74327950), (340, 59462360), (368, 54938050), (391, 51706400), (400, 50543006), (425, 47569888), (460, 43950440), (544, 37163975), (575, 35160352), (680, 29731180), (736, 27469025), (782, 25853200), (800, 25271503), (850, 23784944), (920, 21975220), (1150, 17580176), (1360, 14865590), (1564, 12926600), (1700, 11892472), (1840, 10987610), (1955, 10341280), (2300, 8790088), (2720, 7432795), (3128, 6463300), (3400, 5946236), (3680, 5493805), (3910, 5170640), (4600, 4395044), (6256, 3231650), (6800, 2973118), (7820, 2585320), (9200, 2197522), (9775, 2068256), (12512, 1615825), (13600, 1486559), (15640, 1292660), (18400, 1098761), (19550, 1034128), (31280, 646330), (39100, 517064), (62560, 323165), (64633, 312800), (78200, 258532), (129266, 156400)]