80495516

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{1307}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 143382960

約数和(自身を除く): 62887444

約数列:

[1, 2, 4, 89, 173, 178, 346, 356, 692, 1307, 2614, 5228, 15397, 30794, 61588, 116323, 226111, 232646, 452222, 465292, 904444, 20123879, 40247758, 80495516]

約数ペア:

[(1, 80495516), (2, 40247758), (4, 20123879), (89, 904444), (173, 465292), (178, 452222), (346, 232646), (356, 226111), (692, 116323), (1307, 61588), (2614, 30794), (5228, 15397)]