5422820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20857}}^1$

素因数の和:20879

約数の個数: 24

約数和(自身を含む): 12264504

約数和(自身を除く): 6841684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20857, 41714, 83428, 104285, 208570, 271141, 417140, 542282, 1084564, 1355705, 2711410, 5422820]

約数ペア:

[(1, 5422820), (2, 2711410), (4, 1355705), (5, 1084564), (10, 542282), (13, 417140), (20, 271141), (26, 208570), (52, 104285), (65, 83428), (130, 41714), (260, 20857)]