4540780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2551}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 9646560

約数和(自身を除く): 5105780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2551, 5102, 10204, 12755, 25510, 51020, 227039, 454078, 908156, 1135195, 2270390, 4540780]

約数ペア:

[(1, 4540780), (2, 2270390), (4, 1135195), (5, 908156), (10, 454078), (20, 227039), (89, 51020), (178, 25510), (356, 12755), (445, 10204), (890, 5102), (1780, 2551)]