68538580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311539}}^1$

素因数の和:311559

約数の個数: 24

約数和(自身を含む): 157016160

約数和(自身を除く): 88477580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311539, 623078, 1246156, 1557695, 3115390, 3426929, 6230780, 6853858, 13707716, 17134645, 34269290, 68538580]

約数ペア:

[(1, 68538580), (2, 34269290), (4, 17134645), (5, 13707716), (10, 6853858), (11, 6230780), (20, 3426929), (22, 3115390), (44, 1557695), (55, 1246156), (110, 623078), (220, 311539)]