15980660

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1907}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 33657120

約数和(自身を除く): 17676460

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 1907, 2095, 3814, 4190, 7628, 8380, 9535, 19070, 38140, 799033, 1598066, 3196132, 3995165, 7990330, 15980660]

約数ペア:

[(1, 15980660), (2, 7990330), (4, 3995165), (5, 3196132), (10, 1598066), (20, 799033), (419, 38140), (838, 19070), (1676, 9535), (1907, 8380), (2095, 7628), (3814, 4190)]