1645660

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 3492720

約数和(自身を除く): 1847060

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 769, 1070, 1538, 2140, 3076, 3845, 7690, 15380, 82283, 164566, 329132, 411415, 822830, 1645660]

約数ペア:

[(1, 1645660), (2, 822830), (4, 411415), (5, 329132), (10, 164566), (20, 82283), (107, 15380), (214, 7690), (428, 3845), (535, 3076), (769, 2140), (1070, 1538)]