42163900

素因数分解:

$2^2\times 5^2\times {\mathrm{421639}}^1$

素因数の和:421653

約数の個数: 18

約数和(自身を含む): 91495880

約数和(自身を除く): 49331980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421639, 843278, 1686556, 2108195, 4216390, 8432780, 10540975, 21081950, 42163900]

約数ペア:

[(1, 42163900), (2, 21081950), (4, 10540975), (5, 8432780), (10, 4216390), (20, 2108195), (25, 1686556), (50, 843278), (100, 421639)]