31446580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142939}}^1$

素因数の和:142959

約数の個数: 24

約数和(自身を含む): 72041760

約数和(自身を除く): 40595180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142939, 285878, 571756, 714695, 1429390, 1572329, 2858780, 3144658, 6289316, 7861645, 15723290, 31446580]

約数ペア:

[(1, 31446580), (2, 15723290), (4, 7861645), (5, 6289316), (10, 3144658), (11, 2858780), (20, 1572329), (22, 1429390), (44, 714695), (55, 571756), (110, 285878), (220, 142939)]