30807820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5857}}^1$

素因数の和:6129

約数の個数: 24

約数和(自身を含む): 64953504

約数和(自身を除く): 34145684

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 5857, 11714, 23428, 29285, 58570, 117140, 1540391, 3080782, 6161564, 7701955, 15403910, 30807820]

約数ペア:

[(1, 30807820), (2, 15403910), (4, 7701955), (5, 6161564), (10, 3080782), (20, 1540391), (263, 117140), (526, 58570), (1052, 29285), (1315, 23428), (2630, 11714), (5260, 5857)]