252916520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{20201}}^1$

素因数の和:20525

約数の個数: 32

約数和(自身を含む): 570908520

約数和(自身を除く): 317992000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 20201, 40402, 80804, 101005, 161608, 202010, 404020, 808040, 6322913, 12645826, 25291652, 31614565, 50583304, 63229130, 126458260, 252916520]

約数ペア:

[(1, 252916520), (2, 126458260), (4, 63229130), (5, 50583304), (8, 31614565), (10, 25291652), (20, 12645826), (40, 6322913), (313, 808040), (626, 404020), (1252, 202010), (1565, 161608), (2504, 101005), (3130, 80804), (6260, 40402), (12520, 20201)]