65412790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2671}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 123125760

約数和(自身を除く): 57712970

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 2671, 4898, 5342, 12245, 13355, 24490, 26710, 82801, 165602, 211009, 414005, 422018, 828010, 1055045, 2110090, 6541279, 13082558, 32706395, 65412790]

約数ペア:

[(1, 65412790), (2, 32706395), (5, 13082558), (10, 6541279), (31, 2110090), (62, 1055045), (79, 828010), (155, 422018), (158, 414005), (310, 211009), (395, 165602), (790, 82801), (2449, 26710), (2671, 24490), (4898, 13355), (5342, 12245)]