15216560

素因数分解:

$2^4\times 5^1\times {\mathrm{190207}}^1$

素因数の和:190220

約数の個数: 20

約数和(自身を含む): 35378688

約数和(自身を除く): 20162128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190207, 380414, 760828, 951035, 1521656, 1902070, 3043312, 3804140, 7608280, 15216560]

約数ペア:

[(1, 15216560), (2, 7608280), (4, 3804140), (5, 3043312), (8, 1902070), (10, 1521656), (16, 951035), (20, 760828), (40, 380414), (80, 190207)]