71370520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137251}}^1$

素因数の和:137275

約数の個数: 32

約数和(自身を含む): 172937520

約数和(自身を除く): 101567000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137251, 274502, 549004, 686255, 1098008, 1372510, 1784263, 2745020, 3568526, 5490040, 7137052, 8921315, 14274104, 17842630, 35685260, 71370520]

約数ペア:

[(1, 71370520), (2, 35685260), (4, 17842630), (5, 14274104), (8, 8921315), (10, 7137052), (13, 5490040), (20, 3568526), (26, 2745020), (40, 1784263), (52, 1372510), (65, 1098008), (104, 686255), (130, 549004), (260, 274502), (520, 137251)]