65851160

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2609}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 148456800

約数和(自身を除く): 82605640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 2609, 3155, 5048, 5218, 6310, 10436, 12620, 13045, 20872, 25240, 26090, 52180, 104360, 1646279, 3292558, 6585116, 8231395, 13170232, 16462790, 32925580, 65851160]

約数ペア:

[(1, 65851160), (2, 32925580), (4, 16462790), (5, 13170232), (8, 8231395), (10, 6585116), (20, 3292558), (40, 1646279), (631, 104360), (1262, 52180), (2524, 26090), (2609, 25240), (3155, 20872), (5048, 13045), (5218, 12620), (6310, 10436)]