86580020

素因数分解:

$2^2\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{2557}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 181996584

約数和(自身を除く): 95416564

約数列:

[1, 2, 4, 5, 10, 20, 1693, 2557, 3386, 5114, 6772, 8465, 10228, 12785, 16930, 25570, 33860, 51140, 4329001, 8658002, 17316004, 21645005, 43290010, 86580020]

約数ペア:

[(1, 86580020), (2, 43290010), (4, 21645005), (5, 17316004), (10, 8658002), (20, 4329001), (1693, 51140), (2557, 33860), (3386, 25570), (5114, 16930), (6772, 12785), (8465, 10228)]