61615640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5857}}^1$

素因数の和:6131

約数の個数: 32

約数和(自身を含む): 139186080

約数和(自身を除く): 77570440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 5857, 10520, 11714, 23428, 29285, 46856, 58570, 117140, 234280, 1540391, 3080782, 6161564, 7701955, 12323128, 15403910, 30807820, 61615640]

約数ペア:

[(1, 61615640), (2, 30807820), (4, 15403910), (5, 12323128), (8, 7701955), (10, 6161564), (20, 3080782), (40, 1540391), (263, 234280), (526, 117140), (1052, 58570), (1315, 46856), (2104, 29285), (2630, 23428), (5260, 11714), (5857, 10520)]