85615240

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13633}}^1$

素因数の和:13801

約数の個数: 32

約数和(自身を含む): 193875480

約数和(自身を除く): 108260240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 13633, 27266, 54532, 68165, 109064, 136330, 272660, 545320, 2140381, 4280762, 8561524, 10701905, 17123048, 21403810, 42807620, 85615240]

約数ペア:

[(1, 85615240), (2, 42807620), (4, 21403810), (5, 17123048), (8, 10701905), (10, 8561524), (20, 4280762), (40, 2140381), (157, 545320), (314, 272660), (628, 136330), (785, 109064), (1256, 68165), (1570, 54532), (3140, 27266), (6280, 13633)]