80697020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{98411}}^1$

素因数の和:98461

約数の個数: 24

約数和(自身を含む): 173598768

約数和(自身を除く): 92901748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 98411, 196822, 393644, 492055, 984110, 1968220, 4034851, 8069702, 16139404, 20174255, 40348510, 80697020]

約数ペア:

[(1, 80697020), (2, 40348510), (4, 20174255), (5, 16139404), (10, 8069702), (20, 4034851), (41, 1968220), (82, 984110), (164, 492055), (205, 393644), (410, 196822), (820, 98411)]