16410320

素因数分解:

$2^4\times 5^1\times {\mathrm{205129}}^1$

素因数の和:205142

約数の個数: 20

約数和(自身を含む): 38154180

約数和(自身を除く): 21743860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205129, 410258, 820516, 1025645, 1641032, 2051290, 3282064, 4102580, 8205160, 16410320]

約数ペア:

[(1, 16410320), (2, 8205160), (4, 4102580), (5, 3282064), (8, 2051290), (10, 1641032), (16, 1025645), (20, 820516), (40, 410258), (80, 205129)]