30591640

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1091}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 68992560

約数和(自身を除く): 38400920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1091, 1402, 2182, 2804, 3505, 4364, 5455, 5608, 7010, 8728, 10910, 14020, 21820, 28040, 43640, 764791, 1529582, 3059164, 3823955, 6118328, 7647910, 15295820, 30591640]

約数ペア:

[(1, 30591640), (2, 15295820), (4, 7647910), (5, 6118328), (8, 3823955), (10, 3059164), (20, 1529582), (40, 764791), (701, 43640), (1091, 28040), (1402, 21820), (2182, 14020), (2804, 10910), (3505, 8728), (4364, 7010), (5455, 5608)]