80581340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{575581}}^1$

素因数の和:575597

約数の個数: 24

約数和(自身を含む): 193395552

約数和(自身を除く): 112814212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 575581, 1151162, 2302324, 2877905, 4029067, 5755810, 8058134, 11511620, 16116268, 20145335, 40290670, 80581340]

約数ペア:

[(1, 80581340), (2, 40290670), (4, 20145335), (5, 16116268), (7, 11511620), (10, 8058134), (14, 5755810), (20, 4029067), (28, 2877905), (35, 2302324), (70, 1151162), (140, 575581)]