22399640

素因数分解:

$2^3\times 5^1\times {\mathrm{559991}}^1$

素因数の和:560002

約数の個数: 16

約数和(自身を含む): 50399280

約数和(自身を除く): 27999640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 559991, 1119982, 2239964, 2799955, 4479928, 5599910, 11199820, 22399640]

約数ペア:

[(1, 22399640), (2, 11199820), (4, 5599910), (5, 4479928), (8, 2799955), (10, 2239964), (20, 1119982), (40, 559991)]