15316880

素因数分解:

$2^4\times 5^1\times {\mathrm{191461}}^1$

素因数の和:191474

約数の個数: 20

約数和(自身を含む): 35611932

約数和(自身を除く): 20295052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191461, 382922, 765844, 957305, 1531688, 1914610, 3063376, 3829220, 7658440, 15316880]

約数ペア:

[(1, 15316880), (2, 7658440), (4, 3829220), (5, 3063376), (8, 1914610), (10, 1531688), (16, 957305), (20, 765844), (40, 382922), (80, 191461)]