39564920

素因数分解:

$2^3\times 5^1\times {\mathrm{989123}}^1$

素因数の和:989134

約数の個数: 16

約数和(自身を含む): 89021160

約数和(自身を除く): 49456240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 989123, 1978246, 3956492, 4945615, 7912984, 9891230, 19782460, 39564920]

約数ペア:

[(1, 39564920), (2, 19782460), (4, 9891230), (5, 7912984), (8, 4945615), (10, 3956492), (20, 1978246), (40, 989123)]