31261360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30059}}^1$

素因数の和:30085

約数の個数: 40

約数和(自身を含む): 78276240

約数和(自身を除く): 47014880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30059, 60118, 120236, 150295, 240472, 300590, 390767, 480944, 601180, 781534, 1202360, 1563068, 1953835, 2404720, 3126136, 3907670, 6252272, 7815340, 15630680, 31261360]

約数ペア:

[(1, 31261360), (2, 15630680), (4, 7815340), (5, 6252272), (8, 3907670), (10, 3126136), (13, 2404720), (16, 1953835), (20, 1563068), (26, 1202360), (40, 781534), (52, 601180), (65, 480944), (80, 390767), (104, 300590), (130, 240472), (208, 150295), (260, 120236), (520, 60118), (1040, 30059)]