10128680

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{809}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 22890600

約数和(自身を除く): 12761920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 809, 1252, 1565, 1618, 2504, 3130, 3236, 4045, 6260, 6472, 8090, 12520, 16180, 32360, 253217, 506434, 1012868, 1266085, 2025736, 2532170, 5064340, 10128680]

約数ペア:

[(1, 10128680), (2, 5064340), (4, 2532170), (5, 2025736), (8, 1266085), (10, 1012868), (20, 506434), (40, 253217), (313, 32360), (626, 16180), (809, 12520), (1252, 8090), (1565, 6472), (1618, 6260), (2504, 4045), (3130, 3236)]