127550020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{490577}}^1$

素因数の和:490599

約数の個数: 24

約数和(自身を含む): 288459864

約数和(自身を除く): 160909844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 490577, 981154, 1962308, 2452885, 4905770, 6377501, 9811540, 12755002, 25510004, 31887505, 63775010, 127550020]

約数ペア:

[(1, 127550020), (2, 63775010), (4, 31887505), (5, 25510004), (10, 12755002), (13, 9811540), (20, 6377501), (26, 4905770), (52, 2452885), (65, 1962308), (130, 981154), (260, 490577)]