9990800

素因数分解:

$2^4\times 5^2\times {\mathrm{24977}}^1$

素因数の和:24995

約数の個数: 30

約数和(自身を含む): 24003858

約数和(自身を除く): 14013058

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 24977, 49954, 99908, 124885, 199816, 249770, 399632, 499540, 624425, 999080, 1248850, 1998160, 2497700, 4995400, 9990800]

約数ペア:

[(1, 9990800), (2, 4995400), (4, 2497700), (5, 1998160), (8, 1248850), (10, 999080), (16, 624425), (20, 499540), (25, 399632), (40, 249770), (50, 199816), (80, 124885), (100, 99908), (200, 49954), (400, 24977)]