40128545

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3316

約数の個数: 16

約数和(自身を含む): 50153040

約数和(自身を除く): 10024495

約数列:

[1, 5, 41, 61, 205, 305, 2501, 3209, 12505, 16045, 131569, 195749, 657845, 978745, 8025709, 40128545]

約数ペア:

[(1, 40128545), (5, 8025709), (41, 978745), (61, 657845), (205, 195749), (305, 131569), (2501, 16045), (3209, 12505)]