40278680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2671}}^1$

素因数の和:2724

約数の個数: 64

約数和(自身を含む): 101001600

約数和(自身を除く): 60722920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 2671, 3016, 3770, 5342, 7540, 10684, 13355, 15080, 21368, 26710, 34723, 53420, 69446, 77459, 106840, 138892, 154918, 173615, 277784, 309836, 347230, 387295, 619672, 694460, 774590, 1006967, 1388920, 1549180, 2013934, 3098360, 4027868, 5034835, 8055736, 10069670, 20139340, 40278680]

約数ペア:

[(1, 40278680), (2, 20139340), (4, 10069670), (5, 8055736), (8, 5034835), (10, 4027868), (13, 3098360), (20, 2013934), (26, 1549180), (29, 1388920), (40, 1006967), (52, 774590), (58, 694460), (65, 619672), (104, 387295), (116, 347230), (130, 309836), (145, 277784), (232, 173615), (260, 154918), (290, 138892), (377, 106840), (520, 77459), (580, 69446), (754, 53420), (1160, 34723), (1508, 26710), (1885, 21368), (2671, 15080), (3016, 13355), (3770, 10684), (5342, 7540)]