80129644

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{6997}}^1$

素因数の和:7417

約数の個数: 24

約数和(自身を含む): 160674080

約数和(自身を除く): 80544436

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 6997, 11452, 13994, 27988, 48979, 97958, 195916, 2861773, 5723546, 11447092, 20032411, 40064822, 80129644]

約数ペア:

[(1, 80129644), (2, 40064822), (4, 20032411), (7, 11447092), (14, 5723546), (28, 2861773), (409, 195916), (818, 97958), (1636, 48979), (2863, 27988), (5726, 13994), (6997, 11452)]