15612280

素因数分解:

$2^3\times 5^1\times {\mathrm{390307}}^1$

素因数の和:390318

約数の個数: 16

約数和(自身を含む): 35127720

約数和(自身を除く): 19515440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 390307, 780614, 1561228, 1951535, 3122456, 3903070, 7806140, 15612280]

約数ペア:

[(1, 15612280), (2, 7806140), (4, 3903070), (5, 3122456), (8, 1951535), (10, 1561228), (20, 780614), (40, 390307)]