20226350720

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{1367}}^1$

素因数の和:1826

約数の個数: 128

約数和(自身を含む): 49312022400

約数和(自身を除く): 29085671680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 379, 488, 610, 640, 758, 976, 1220, 1367, 1516, 1895, 1952, 2440, 2734, 3032, 3790, 3904, 4880, 5468, 6064, 6835, 7580, 7808, 9760, 10936, 12128, 13670, 15160, 19520, 21872, 23119, 24256, 27340, 30320, 39040, 43744, 46238, 48512, 54680, 60640, 83387, 87488, 92476, 109360, 115595, 121280, 166774, 174976, 184952, 218720, 231190, 242560, 333548, 369904, 416935, 437440, 462380, 518093, 667096, 739808, 833870, 874880, 924760, 1036186, 1334192, 1479616, 1667740, 1849520, 2072372, 2590465, 2668384, 2959232, 3335480, 3699040, 4144744, 5180930, 5336768, 6670960, 7398080, 8289488, 10361860, 10673536, 13341920, 14796160, 16578976, 20723720, 26683840, 31603673, 33157952, 41447440, 53367680, 63207346, 66315904, 82894880, 126414692, 158018365, 165789760, 252829384, 316036730, 331579520, 505658768, 632073460, 1011317536, 1264146920, 2022635072, 2528293840, 4045270144, 5056587680, 10113175360, 20226350720]

約数ペア:

[(1, 20226350720), (2, 10113175360), (4, 5056587680), (5, 4045270144), (8, 2528293840), (10, 2022635072), (16, 1264146920), (20, 1011317536), (32, 632073460), (40, 505658768), (61, 331579520), (64, 316036730), (80, 252829384), (122, 165789760), (128, 158018365), (160, 126414692), (244, 82894880), (305, 66315904), (320, 63207346), (379, 53367680), (488, 41447440), (610, 33157952), (640, 31603673), (758, 26683840), (976, 20723720), (1220, 16578976), (1367, 14796160), (1516, 13341920), (1895, 10673536), (1952, 10361860), (2440, 8289488), (2734, 7398080), (3032, 6670960), (3790, 5336768), (3904, 5180930), (4880, 4144744), (5468, 3699040), (6064, 3335480), (6835, 2959232), (7580, 2668384), (7808, 2590465), (9760, 2072372), (10936, 1849520), (12128, 1667740), (13670, 1479616), (15160, 1334192), (19520, 1036186), (21872, 924760), (23119, 874880), (24256, 833870), (27340, 739808), (30320, 667096), (39040, 518093), (43744, 462380), (46238, 437440), (48512, 416935), (54680, 369904), (60640, 333548), (83387, 242560), (87488, 231190), (92476, 218720), (109360, 184952), (115595, 174976), (121280, 166774)]