4985780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 10591560

約数和(自身を除く): 5605780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2801, 5602, 11204, 14005, 28010, 56020, 249289, 498578, 997156, 1246445, 2492890, 4985780]

約数ペア:

[(1, 4985780), (2, 2492890), (4, 1246445), (5, 997156), (10, 498578), (20, 249289), (89, 56020), (178, 28010), (356, 14005), (445, 11204), (890, 5602), (1780, 2801)]