85849640

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6857}}^1$

素因数の和:7181

約数の個数: 32

約数和(自身を含む): 193807080

約数和(自身を除く): 107957440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 6857, 12520, 13714, 27428, 34285, 54856, 68570, 137140, 274280, 2146241, 4292482, 8584964, 10731205, 17169928, 21462410, 42924820, 85849640]

約数ペア:

[(1, 85849640), (2, 42924820), (4, 21462410), (5, 17169928), (8, 10731205), (10, 8584964), (20, 4292482), (40, 2146241), (313, 274280), (626, 137140), (1252, 68570), (1565, 54856), (2504, 34285), (3130, 27428), (6260, 13714), (6857, 12520)]