80626180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56779}}^1$

素因数の和:56859

約数の個数: 24

約数和(自身を含む): 171702720

約数和(自身を除く): 91076540

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 56779, 113558, 227116, 283895, 567790, 1135580, 4031309, 8062618, 16125236, 20156545, 40313090, 80626180]

約数ペア:

[(1, 80626180), (2, 40313090), (4, 20156545), (5, 16125236), (10, 8062618), (20, 4031309), (71, 1135580), (142, 567790), (284, 283895), (355, 227116), (710, 113558), (1420, 56779)]