22467440

素因数分解:

$2^4\times 5^1\times {\mathrm{280843}}^1$

素因数の和:280856

約数の個数: 20

約数和(自身を含む): 52236984

約数和(自身を除く): 29769544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280843, 561686, 1123372, 1404215, 2246744, 2808430, 4493488, 5616860, 11233720, 22467440]

約数ペア:

[(1, 22467440), (2, 11233720), (4, 5616860), (5, 4493488), (8, 2808430), (10, 2246744), (16, 1404215), (20, 1123372), (40, 561686), (80, 280843)]