81070940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{98867}}^1$

素因数の和:98917

約数の個数: 24

約数和(自身を含む): 174403152

約数和(自身を除く): 93332212

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 98867, 197734, 395468, 494335, 988670, 1977340, 4053547, 8107094, 16214188, 20267735, 40535470, 81070940]

約数ペア:

[(1, 81070940), (2, 40535470), (4, 20267735), (5, 16214188), (10, 8107094), (20, 4053547), (41, 1977340), (82, 988670), (164, 494335), (205, 395468), (410, 197734), (820, 98867)]