30980020

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1277}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 65162664

約数和(自身を除く): 34182644

約数列:

[1, 2, 4, 5, 10, 20, 1213, 1277, 2426, 2554, 4852, 5108, 6065, 6385, 12130, 12770, 24260, 25540, 1549001, 3098002, 6196004, 7745005, 15490010, 30980020]

約数ペア:

[(1, 30980020), (2, 15490010), (4, 7745005), (5, 6196004), (10, 3098002), (20, 1549001), (1213, 25540), (1277, 24260), (2426, 12770), (2554, 12130), (4852, 6385), (5108, 6065)]