80454580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39829}}^1$

素因数の和:39939

約数の個数: 24

約数和(自身を含む): 170631720

約数和(自身を除く): 90177140

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 39829, 79658, 159316, 199145, 398290, 796580, 4022729, 8045458, 16090916, 20113645, 40227290, 80454580]

約数ペア:

[(1, 80454580), (2, 40227290), (4, 20113645), (5, 16090916), (10, 8045458), (20, 4022729), (101, 796580), (202, 398290), (404, 199145), (505, 159316), (1010, 79658), (2020, 39829)]