91280020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{351077}}^1$

素因数の和:351099

約数の個数: 24

約数和(自身を含む): 206433864

約数和(自身を除く): 115153844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 351077, 702154, 1404308, 1755385, 3510770, 4564001, 7021540, 9128002, 18256004, 22820005, 45640010, 91280020]

約数ペア:

[(1, 91280020), (2, 45640010), (4, 22820005), (5, 18256004), (10, 9128002), (13, 7021540), (20, 4564001), (26, 3510770), (52, 1755385), (65, 1404308), (130, 702154), (260, 351077)]