520020640

素因数分解:

$2^5\times 5^1\times {\mathrm{3250129}}^1$

素因数の和:3250144

約数の個数: 24

約数和(自身を含む): 1228549140

約数和(自身を除く): 708528500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3250129, 6500258, 13000516, 16250645, 26001032, 32501290, 52002064, 65002580, 104004128, 130005160, 260010320, 520020640]

約数ペア:

[(1, 520020640), (2, 260010320), (4, 130005160), (5, 104004128), (8, 65002580), (10, 52002064), (16, 32501290), (20, 26001032), (32, 16250645), (40, 13000516), (80, 6500258), (160, 3250129)]