85906640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20261}}^1$

素因数の和:20327

約数の個数: 40

約数和(自身を含む): 203511528

約数和(自身を除く): 117604888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 20261, 40522, 81044, 101305, 162088, 202610, 324176, 405220, 810440, 1073833, 1620880, 2147666, 4295332, 5369165, 8590664, 10738330, 17181328, 21476660, 42953320, 85906640]

約数ペア:

[(1, 85906640), (2, 42953320), (4, 21476660), (5, 17181328), (8, 10738330), (10, 8590664), (16, 5369165), (20, 4295332), (40, 2147666), (53, 1620880), (80, 1073833), (106, 810440), (212, 405220), (265, 324176), (424, 202610), (530, 162088), (848, 101305), (1060, 81044), (2120, 40522), (4240, 20261)]