80920810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{425899}}^1$

素因数の和:425925

約数の個数: 16

約数和(自身を含む): 153324000

約数和(自身を除く): 72403190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 425899, 851798, 2129495, 4258990, 8092081, 16184162, 40460405, 80920810]

約数ペア:

[(1, 80920810), (2, 40460405), (5, 16184162), (10, 8092081), (19, 4258990), (38, 2129495), (95, 851798), (190, 425899)]