86907640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26177}}^1$

素因数の和:26271

約数の個数: 32

約数和(自身を含む): 197905680

約数和(自身を除く): 110998040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 26177, 52354, 104708, 130885, 209416, 261770, 523540, 1047080, 2172691, 4345382, 8690764, 10863455, 17381528, 21726910, 43453820, 86907640]

約数ペア:

[(1, 86907640), (2, 43453820), (4, 21726910), (5, 17381528), (8, 10863455), (10, 8690764), (20, 4345382), (40, 2172691), (83, 1047080), (166, 523540), (332, 261770), (415, 209416), (664, 130885), (830, 104708), (1660, 52354), (3320, 26177)]