83988020

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8623}}^1$

素因数の和:9119

約数の個数: 24

約数和(自身を含む): 176757504

約数和(自身を除く): 92769484

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 8623, 9740, 17246, 34492, 43115, 86230, 172460, 4199401, 8398802, 16797604, 20997005, 41994010, 83988020]

約数ペア:

[(1, 83988020), (2, 41994010), (4, 20997005), (5, 16797604), (10, 8398802), (20, 4199401), (487, 172460), (974, 86230), (1948, 43115), (2435, 34492), (4870, 17246), (8623, 9740)]