222552080

素因数分解:

$2^4\times 5^1\times {\mathrm{2781901}}^1$

素因数の和:2781914

約数の個数: 20

約数和(自身を含む): 517433772

約数和(自身を除く): 294881692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2781901, 5563802, 11127604, 13909505, 22255208, 27819010, 44510416, 55638020, 111276040, 222552080]

約数ペア:

[(1, 222552080), (2, 111276040), (4, 55638020), (5, 44510416), (8, 27819010), (10, 22255208), (16, 13909505), (20, 11127604), (40, 5563802), (80, 2781901)]