85432820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 211631616

約数和(自身を除く): 126198796

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 53, 55, 68, 85, 106, 110, 170, 187, 212, 220, 265, 340, 374, 431, 530, 583, 748, 862, 901, 935, 1060, 1166, 1724, 1802, 1870, 2155, 2332, 2915, 3604, 3740, 4310, 4505, 4741, 5830, 7327, 8620, 9010, 9482, 9911, 11660, 14654, 18020, 18964, 19822, 22843, 23705, 29308, 36635, 39644, 45686, 47410, 49555, 73270, 80597, 91372, 94820, 99110, 114215, 146540, 161194, 198220, 228430, 251273, 322388, 388331, 402985, 456860, 502546, 776662, 805970, 1005092, 1256365, 1553324, 1611940, 1941655, 2512730, 3883310, 4271641, 5025460, 7766620, 8543282, 17086564, 21358205, 42716410, 85432820]

約数ペア:

[(1, 85432820), (2, 42716410), (4, 21358205), (5, 17086564), (10, 8543282), (11, 7766620), (17, 5025460), (20, 4271641), (22, 3883310), (34, 2512730), (44, 1941655), (53, 1611940), (55, 1553324), (68, 1256365), (85, 1005092), (106, 805970), (110, 776662), (170, 502546), (187, 456860), (212, 402985), (220, 388331), (265, 322388), (340, 251273), (374, 228430), (431, 198220), (530, 161194), (583, 146540), (748, 114215), (862, 99110), (901, 94820), (935, 91372), (1060, 80597), (1166, 73270), (1724, 49555), (1802, 47410), (1870, 45686), (2155, 39644), (2332, 36635), (2915, 29308), (3604, 23705), (3740, 22843), (4310, 19822), (4505, 18964), (4741, 18020), (5830, 14654), (7327, 11660), (8620, 9911), (9010, 9482)]