22288400

素因数分解:

$2^4\times 5^2\times {\mathrm{55721}}^1$

素因数の和:55739

約数の個数: 30

約数和(自身を含む): 53548842

約数和(自身を除く): 31260442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 55721, 111442, 222884, 278605, 445768, 557210, 891536, 1114420, 1393025, 2228840, 2786050, 4457680, 5572100, 11144200, 22288400]

約数ペア:

[(1, 22288400), (2, 11144200), (4, 5572100), (5, 4457680), (8, 2786050), (10, 2228840), (16, 1393025), (20, 1114420), (25, 891536), (40, 557210), (50, 445768), (80, 278605), (100, 222884), (200, 111442), (400, 55721)]