40001585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21221}}^1$

素因数の和:21268

約数の個数: 16

約数和(自身を含む): 53479440

約数和(自身を除く): 13477855

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 21221, 106105, 275873, 615409, 1379365, 3077045, 8000317, 40001585]

約数ペア:

[(1, 40001585), (5, 8000317), (13, 3077045), (29, 1379365), (65, 615409), (145, 275873), (377, 106105), (1885, 21221)]