201558020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{40151}}^1$

素因数の和:40411

約数の個数: 24

約数和(自身を含む): 424968768

約数和(自身を除く): 223410748

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 40151, 80302, 160604, 200755, 401510, 803020, 10077901, 20155802, 40311604, 50389505, 100779010, 201558020]

約数ペア:

[(1, 201558020), (2, 100779010), (4, 50389505), (5, 40311604), (10, 20155802), (20, 10077901), (251, 803020), (502, 401510), (1004, 200755), (1255, 160604), (2510, 80302), (5020, 40151)]