20053202320

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1\times {\mathrm{3701}}^1$

素因数の和:4564

約数の個数: 80

約数和(自身を含む): 47222267760

約数和(自身を除く): 27169065440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 761, 890, 1424, 1522, 1780, 3044, 3560, 3701, 3805, 6088, 7120, 7402, 7610, 12176, 14804, 15220, 18505, 29608, 30440, 37010, 59216, 60880, 67729, 74020, 135458, 148040, 270916, 296080, 329389, 338645, 541832, 658778, 677290, 1083664, 1317556, 1354580, 1646945, 2635112, 2709160, 2816461, 3293890, 5270224, 5418320, 5632922, 6587780, 11265844, 13175560, 14082305, 22531688, 26351120, 28164610, 45063376, 56329220, 112658440, 225316880, 250665029, 501330058, 1002660116, 1253325145, 2005320232, 2506650290, 4010640464, 5013300580, 10026601160, 20053202320]

約数ペア:

[(1, 20053202320), (2, 10026601160), (4, 5013300580), (5, 4010640464), (8, 2506650290), (10, 2005320232), (16, 1253325145), (20, 1002660116), (40, 501330058), (80, 250665029), (89, 225316880), (178, 112658440), (356, 56329220), (445, 45063376), (712, 28164610), (761, 26351120), (890, 22531688), (1424, 14082305), (1522, 13175560), (1780, 11265844), (3044, 6587780), (3560, 5632922), (3701, 5418320), (3805, 5270224), (6088, 3293890), (7120, 2816461), (7402, 2709160), (7610, 2635112), (12176, 1646945), (14804, 1354580), (15220, 1317556), (18505, 1083664), (29608, 677290), (30440, 658778), (37010, 541832), (59216, 338645), (60880, 329389), (67729, 296080), (74020, 270916), (135458, 148040)]