80794540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{237631}}^1$

素因数の和:237657

約数の個数: 24

約数和(自身を含む): 179649792

約数和(自身を除く): 98855252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 237631, 475262, 950524, 1188155, 2376310, 4039727, 4752620, 8079454, 16158908, 20198635, 40397270, 80794540]

約数ペア:

[(1, 80794540), (2, 40397270), (4, 20198635), (5, 16158908), (10, 8079454), (17, 4752620), (20, 4039727), (34, 2376310), (68, 1188155), (85, 950524), (170, 475262), (340, 237631)]