42198040

素因数分解:

$2^3\times 5^1\times {\mathrm{1054951}}^1$

素因数の和:1054962

約数の個数: 16

約数和(自身を含む): 94945680

約数和(自身を除く): 52747640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1054951, 2109902, 4219804, 5274755, 8439608, 10549510, 21099020, 42198040]

約数ペア:

[(1, 42198040), (2, 21099020), (4, 10549510), (5, 8439608), (8, 5274755), (10, 4219804), (20, 2109902), (40, 1054951)]