31360880

素因数分解:

$2^4\times 5^1\times {\mathrm{392011}}^1$

素因数の和:392024

約数の個数: 20

約数和(自身を含む): 72914232

約数和(自身を除く): 41553352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392011, 784022, 1568044, 1960055, 3136088, 3920110, 6272176, 7840220, 15680440, 31360880]

約数ペア:

[(1, 31360880), (2, 15680440), (4, 7840220), (5, 6272176), (8, 3920110), (10, 3136088), (16, 1960055), (20, 1568044), (40, 784022), (80, 392011)]