79962320

素因数分解:

$2^4\times 5^1\times {\mathrm{999529}}^1$

素因数の和:999542

約数の個数: 20

約数和(自身を含む): 185912580

約数和(自身を除く): 105950260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 999529, 1999058, 3998116, 4997645, 7996232, 9995290, 15992464, 19990580, 39981160, 79962320]

約数ペア:

[(1, 79962320), (2, 39981160), (4, 19990580), (5, 15992464), (8, 9995290), (10, 7996232), (16, 4997645), (20, 3998116), (40, 1999058), (80, 999529)]