4644020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2609}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 9865800

約数和(自身を除く): 5221780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2609, 5218, 10436, 13045, 26090, 52180, 232201, 464402, 928804, 1161005, 2322010, 4644020]

約数ペア:

[(1, 4644020), (2, 2322010), (4, 1161005), (5, 928804), (10, 464402), (20, 232201), (89, 52180), (178, 26090), (356, 13045), (445, 10436), (890, 5218), (1780, 2609)]