22420040

素因数分解:

$2^3\times 5^1\times {\mathrm{560501}}^1$

素因数の和:560512

約数の個数: 16

約数和(自身を含む): 50445180

約数和(自身を除く): 28025140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 560501, 1121002, 2242004, 2802505, 4484008, 5605010, 11210020, 22420040]

約数ペア:

[(1, 22420040), (2, 11210020), (4, 5605010), (5, 4484008), (8, 2802505), (10, 2242004), (20, 1121002), (40, 560501)]