726645020

素因数分解:

$2^2\times 5^1\times {\mathrm{36332251}}^1$

素因数の和:36332260

約数の個数: 12

約数和(自身を含む): 1525954584

約数和(自身を除く): 799309564

約数列:

[1, 2, 4, 5, 10, 20, 36332251, 72664502, 145329004, 181661255, 363322510, 726645020]

約数ペア:

[(1, 726645020), (2, 363322510), (4, 181661255), (5, 145329004), (10, 72664502), (20, 36332251)]