7904980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1$

素因数の和:4539

約数の個数: 24

約数和(自身を含む): 16790760

約数和(自身を除く): 8885780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4441, 8882, 17764, 22205, 44410, 88820, 395249, 790498, 1580996, 1976245, 3952490, 7904980]

約数ペア:

[(1, 7904980), (2, 3952490), (4, 1976245), (5, 1580996), (10, 790498), (20, 395249), (89, 88820), (178, 44410), (356, 22205), (445, 17764), (890, 8882), (1780, 4441)]