64770880

素因数分解:

$2^6\times 5^1\times {\mathrm{202409}}^1$

素因数の和:202426

約数の個数: 28

約数和(自身を含む): 154236420

約数和(自身を除く): 89465540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202409, 404818, 809636, 1012045, 1619272, 2024090, 3238544, 4048180, 6477088, 8096360, 12954176, 16192720, 32385440, 64770880]

約数ペア:

[(1, 64770880), (2, 32385440), (4, 16192720), (5, 12954176), (8, 8096360), (10, 6477088), (16, 4048180), (20, 3238544), (32, 2024090), (40, 1619272), (64, 1012045), (80, 809636), (160, 404818), (320, 202409)]