31729840

素因数分解:

$2^4\times 5^1\times {\mathrm{396623}}^1$

素因数の和:396636

約数の個数: 20

約数和(自身を含む): 73772064

約数和(自身を除く): 42042224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396623, 793246, 1586492, 1983115, 3172984, 3966230, 6345968, 7932460, 15864920, 31729840]

約数ペア:

[(1, 31729840), (2, 15864920), (4, 7932460), (5, 6345968), (8, 3966230), (10, 3172984), (16, 1983115), (20, 1586492), (40, 793246), (80, 396623)]