8152820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31357}}^1$

素因数の和:31379

約数の個数: 24

約数和(自身を含む): 18438504

約数和(自身を除く): 10285684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31357, 62714, 125428, 156785, 313570, 407641, 627140, 815282, 1630564, 2038205, 4076410, 8152820]

約数ペア:

[(1, 8152820), (2, 4076410), (4, 2038205), (5, 1630564), (10, 815282), (13, 627140), (20, 407641), (26, 313570), (52, 156785), (65, 125428), (130, 62714), (260, 31357)]