30055640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2857}}^1$

素因数の和:3131

約数の個数: 32

約数和(自身を含む): 67906080

約数和(自身を除く): 37850440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 2857, 5260, 5714, 10520, 11428, 14285, 22856, 28570, 57140, 114280, 751391, 1502782, 3005564, 3756955, 6011128, 7513910, 15027820, 30055640]

約数ペア:

[(1, 30055640), (2, 15027820), (4, 7513910), (5, 6011128), (8, 3756955), (10, 3005564), (20, 1502782), (40, 751391), (263, 114280), (526, 57140), (1052, 28570), (1315, 22856), (2104, 14285), (2630, 11428), (2857, 10520), (5260, 5714)]