39341620

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1973}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 82742184

約数和(自身を除く): 43400564

約数列:

[1, 2, 4, 5, 10, 20, 997, 1973, 1994, 3946, 3988, 4985, 7892, 9865, 9970, 19730, 19940, 39460, 1967081, 3934162, 7868324, 9835405, 19670810, 39341620]

約数ペア:

[(1, 39341620), (2, 19670810), (4, 9835405), (5, 7868324), (10, 3934162), (20, 1967081), (997, 39460), (1973, 19940), (1994, 19730), (3946, 9970), (3988, 9865), (4985, 7892)]