80765660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39983}}^1$

素因数の和:40093

約数の個数: 24

約数和(自身を含む): 171291456

約数和(自身を除く): 90525796

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 39983, 79966, 159932, 199915, 399830, 799660, 4038283, 8076566, 16153132, 20191415, 40382830, 80765660]

約数ペア:

[(1, 80765660), (2, 40382830), (4, 20191415), (5, 16153132), (10, 8076566), (20, 4038283), (101, 799660), (202, 399830), (404, 199915), (505, 159932), (1010, 79966), (2020, 39983)]