842320

素因数分解:

$2^4\times 5^1\times {\mathrm{10529}}^1$

素因数の和:10542

約数の個数: 20

約数和(自身を含む): 1958580

約数和(自身を除く): 1116260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10529, 21058, 42116, 52645, 84232, 105290, 168464, 210580, 421160, 842320]

約数ペア:

[(1, 842320), (2, 421160), (4, 210580), (5, 168464), (8, 105290), (10, 84232), (16, 52645), (20, 42116), (40, 21058), (80, 10529)]