2684680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 6191640

約数和(自身を除く): 3506960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1637, 1640, 3274, 6548, 8185, 13096, 16370, 32740, 65480, 67117, 134234, 268468, 335585, 536936, 671170, 1342340, 2684680]

約数ペア:

[(1, 2684680), (2, 1342340), (4, 671170), (5, 536936), (8, 335585), (10, 268468), (20, 134234), (40, 67117), (41, 65480), (82, 32740), (164, 16370), (205, 13096), (328, 8185), (410, 6548), (820, 3274), (1637, 1640)]