5437640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10457}}^1$

素因数の和:10481

約数の個数: 32

約数和(自身を含む): 13177080

約数和(自身を除く): 7739440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 10457, 20914, 41828, 52285, 83656, 104570, 135941, 209140, 271882, 418280, 543764, 679705, 1087528, 1359410, 2718820, 5437640]

約数ペア:

[(1, 5437640), (2, 2718820), (4, 1359410), (5, 1087528), (8, 679705), (10, 543764), (13, 418280), (20, 271882), (26, 209140), (40, 135941), (52, 104570), (65, 83656), (104, 52285), (130, 41828), (260, 20914), (520, 10457)]