4991480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 12549600

約数和(自身を除く): 7558120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 331, 377, 520, 580, 662, 754, 1160, 1324, 1508, 1655, 1885, 2648, 3016, 3310, 3770, 4303, 6620, 7540, 8606, 9599, 13240, 15080, 17212, 19198, 21515, 34424, 38396, 43030, 47995, 76792, 86060, 95990, 124787, 172120, 191980, 249574, 383960, 499148, 623935, 998296, 1247870, 2495740, 4991480]

約数ペア:

[(1, 4991480), (2, 2495740), (4, 1247870), (5, 998296), (8, 623935), (10, 499148), (13, 383960), (20, 249574), (26, 191980), (29, 172120), (40, 124787), (52, 95990), (58, 86060), (65, 76792), (104, 47995), (116, 43030), (130, 38396), (145, 34424), (232, 21515), (260, 19198), (290, 17212), (331, 15080), (377, 13240), (520, 9599), (580, 8606), (662, 7540), (754, 6620), (1160, 4303), (1324, 3770), (1508, 3310), (1655, 3016), (1885, 2648)]