80845540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{237781}}^1$

素因数の和:237807

約数の個数: 24

約数和(自身を含む): 179763192

約数和(自身を除く): 98917652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 237781, 475562, 951124, 1188905, 2377810, 4042277, 4755620, 8084554, 16169108, 20211385, 40422770, 80845540]

約数ペア:

[(1, 80845540), (2, 40422770), (4, 20211385), (5, 16169108), (10, 8084554), (17, 4755620), (20, 4042277), (34, 2377810), (68, 1188905), (85, 951124), (170, 475562), (340, 237781)]