1650160

素因数分解:

$2^4\times 5^1\times {\mathrm{20627}}^1$

素因数の和:20640

約数の個数: 20

約数和(自身を含む): 3836808

約数和(自身を除く): 2186648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20627, 41254, 82508, 103135, 165016, 206270, 330032, 412540, 825080, 1650160]

約数ペア:

[(1, 1650160), (2, 825080), (4, 412540), (5, 330032), (8, 206270), (10, 165016), (16, 103135), (20, 82508), (40, 41254), (80, 20627)]