80931970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1156171}}^1$

素因数の和:1156185

約数の個数: 16

約数和(自身を含む): 166488768

約数和(自身を除く): 85556798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1156171, 2312342, 5780855, 8093197, 11561710, 16186394, 40465985, 80931970]

約数ペア:

[(1, 80931970), (2, 40465985), (5, 16186394), (7, 11561710), (10, 8093197), (14, 5780855), (35, 2312342), (70, 1156171)]