15540845

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^2$

素因数の和:173

約数の個数: 18

約数和(自身を含む): 19569834

約数和(自身を除く): 4028989

約数列:

[1, 5, 41, 43, 205, 215, 1681, 1763, 1849, 8405, 8815, 9245, 72283, 75809, 361415, 379045, 3108169, 15540845]

約数ペア:

[(1, 15540845), (5, 3108169), (41, 379045), (43, 361415), (205, 75809), (215, 72283), (1681, 9245), (1763, 8815), (1849, 8405)]