15404240

素因数分解:

$2^4\times 5^1\times {\mathrm{192553}}^1$

素因数の和:192566

約数の個数: 20

約数和(自身を含む): 35815044

約数和(自身を除く): 20410804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 192553, 385106, 770212, 962765, 1540424, 1925530, 3080848, 3851060, 7702120, 15404240]

約数ペア:

[(1, 15404240), (2, 7702120), (4, 3851060), (5, 3080848), (8, 1925530), (10, 1540424), (16, 962765), (20, 770212), (40, 385106), (80, 192553)]