87243740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{44971}}^1$

素因数の和:45077

約数の個数: 24

約数和(自身を含む): 185104752

約数和(自身を除く): 97861012

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 44971, 89942, 179884, 224855, 449710, 899420, 4362187, 8724374, 17448748, 21810935, 43621870, 87243740]

約数ペア:

[(1, 87243740), (2, 43621870), (4, 21810935), (5, 17448748), (10, 8724374), (20, 4362187), (97, 899420), (194, 449710), (388, 224855), (485, 179884), (970, 89942), (1940, 44971)]