65777770

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1710

約数の個数: 32

約数和(自身を含む): 122238720

約数和(自身を除く): 56460950

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 265, 395, 530, 790, 1571, 3142, 4187, 7855, 8374, 15710, 20935, 41870, 83263, 124109, 166526, 248218, 416315, 620545, 832630, 1241090, 6577777, 13155554, 32888885, 65777770]

約数ペア:

[(1, 65777770), (2, 32888885), (5, 13155554), (10, 6577777), (53, 1241090), (79, 832630), (106, 620545), (158, 416315), (265, 248218), (395, 166526), (530, 124109), (790, 83263), (1571, 41870), (3142, 20935), (4187, 15710), (7855, 8374)]