121405640

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{2351}}^1$

素因数の和:3653

約数の個数: 32

約数和(自身を含む): 273490560

約数和(自身を除く): 152084920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2351, 2582, 4702, 5164, 6455, 9404, 10328, 11755, 12910, 18808, 23510, 25820, 47020, 51640, 94040, 3035141, 6070282, 12140564, 15175705, 24281128, 30351410, 60702820, 121405640]

約数ペア:

[(1, 121405640), (2, 60702820), (4, 30351410), (5, 24281128), (8, 15175705), (10, 12140564), (20, 6070282), (40, 3035141), (1291, 94040), (2351, 51640), (2582, 47020), (4702, 25820), (5164, 23510), (6455, 18808), (9404, 12910), (10328, 11755)]