72209740

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{8377}}^1$

素因数の和:8817

約数の個数: 24

約数和(自身を含む): 152010432

約数和(自身を除く): 79800692

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8377, 8620, 16754, 33508, 41885, 83770, 167540, 3610487, 7220974, 14441948, 18052435, 36104870, 72209740]

約数ペア:

[(1, 72209740), (2, 36104870), (4, 18052435), (5, 14441948), (10, 7220974), (20, 3610487), (431, 167540), (862, 83770), (1724, 41885), (2155, 33508), (4310, 16754), (8377, 8620)]