31132660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4129}}^1$

素因数の和:4180

約数の個数: 48

約数和(自身を含む): 72853200

約数和(自身を除く): 41720540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 4129, 7540, 8258, 16516, 20645, 41290, 53677, 82580, 107354, 119741, 214708, 239482, 268385, 478964, 536770, 598705, 1073540, 1197410, 1556633, 2394820, 3113266, 6226532, 7783165, 15566330, 31132660]

約数ペア:

[(1, 31132660), (2, 15566330), (4, 7783165), (5, 6226532), (10, 3113266), (13, 2394820), (20, 1556633), (26, 1197410), (29, 1073540), (52, 598705), (58, 536770), (65, 478964), (116, 268385), (130, 239482), (145, 214708), (260, 119741), (290, 107354), (377, 82580), (580, 53677), (754, 41290), (1508, 20645), (1885, 16516), (3770, 8258), (4129, 7540)]