22288880

素因数分解:

$2^4\times 5^1\times {\mathrm{278611}}^1$

素因数の和:278624

約数の個数: 20

約数和(自身を含む): 51821832

約数和(自身を除く): 29532952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278611, 557222, 1114444, 1393055, 2228888, 2786110, 4457776, 5572220, 11144440, 22288880]

約数ペア:

[(1, 22288880), (2, 11144440), (4, 5572220), (5, 4457776), (8, 2786110), (10, 2228888), (16, 1393055), (20, 1114444), (40, 557222), (80, 278611)]