80014780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97579}}^1$

素因数の和:97629

約数の個数: 24

約数和(自身を含む): 172131120

約数和(自身を除く): 92116340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 97579, 195158, 390316, 487895, 975790, 1951580, 4000739, 8001478, 16002956, 20003695, 40007390, 80014780]

約数ペア:

[(1, 80014780), (2, 40007390), (4, 20003695), (5, 16002956), (10, 8001478), (20, 4000739), (41, 1951580), (82, 975790), (164, 487895), (205, 390316), (410, 195158), (820, 97579)]