22271440

素因数分解:

$2^4\times 5^1\times {\mathrm{278393}}^1$

素因数の和:278406

約数の個数: 20

約数和(自身を含む): 51781284

約数和(自身を除く): 29509844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278393, 556786, 1113572, 1391965, 2227144, 2783930, 4454288, 5567860, 11135720, 22271440]

約数ペア:

[(1, 22271440), (2, 11135720), (4, 5567860), (5, 4454288), (8, 2783930), (10, 2227144), (16, 1391965), (20, 1113572), (40, 556786), (80, 278393)]