40477780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289127}}^1$

素因数の和:289143

約数の個数: 24

約数和(自身を含む): 97147008

約数和(自身を除く): 56669228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289127, 578254, 1156508, 1445635, 2023889, 2891270, 4047778, 5782540, 8095556, 10119445, 20238890, 40477780]

約数ペア:

[(1, 40477780), (2, 20238890), (4, 10119445), (5, 8095556), (7, 5782540), (10, 4047778), (14, 2891270), (20, 2023889), (28, 1445635), (35, 1156508), (70, 578254), (140, 289127)]