22291120

素因数分解:

$2^4\times 5^1\times {\mathrm{278639}}^1$

素因数の和:278652

約数の個数: 20

約数和(自身を含む): 51827040

約数和(自身を除く): 29535920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278639, 557278, 1114556, 1393195, 2229112, 2786390, 4458224, 5572780, 11145560, 22291120]

約数ペア:

[(1, 22291120), (2, 11145560), (4, 5572780), (5, 4458224), (8, 2786390), (10, 2229112), (16, 1393195), (20, 1114556), (40, 557278), (80, 278639)]