31610020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121577}}^1$

素因数の和:121599

約数の個数: 24

約数和(自身を含む): 71487864

約数和(自身を除く): 39877844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121577, 243154, 486308, 607885, 1215770, 1580501, 2431540, 3161002, 6322004, 7902505, 15805010, 31610020]

約数ペア:

[(1, 31610020), (2, 15805010), (4, 7902505), (5, 6322004), (10, 3161002), (13, 2431540), (20, 1580501), (26, 1215770), (52, 607885), (65, 486308), (130, 243154), (260, 121577)]