168838160

素因数分解:

$2^4\times 5^1\times {\mathrm{2110477}}^1$

素因数の和:2110490

約数の個数: 20

約数和(自身を含む): 392548908

約数和(自身を除く): 223710748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2110477, 4220954, 8441908, 10552385, 16883816, 21104770, 33767632, 42209540, 84419080, 168838160]

約数ペア:

[(1, 168838160), (2, 84419080), (4, 42209540), (5, 33767632), (8, 21104770), (10, 16883816), (16, 10552385), (20, 8441908), (40, 4220954), (80, 2110477)]