22815280

素因数分解:

$2^4\times 5^1\times {\mathrm{285191}}^1$

素因数の和:285204

約数の個数: 20

約数和(自身を含む): 53045712

約数和(自身を除く): 30230432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 285191, 570382, 1140764, 1425955, 2281528, 2851910, 4563056, 5703820, 11407640, 22815280]

約数ペア:

[(1, 22815280), (2, 11407640), (4, 5703820), (5, 4563056), (8, 2851910), (10, 2281528), (16, 1425955), (20, 1140764), (40, 570382), (80, 285191)]