79444780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{19961}}^1$

素因数の和:20169

約数の個数: 24

約数和(自身を含む): 167680800

約数和(自身を除く): 88236020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 19961, 39922, 79844, 99805, 199610, 399220, 3972239, 7944478, 15888956, 19861195, 39722390, 79444780]

約数ペア:

[(1, 79444780), (2, 39722390), (4, 19861195), (5, 15888956), (10, 7944478), (20, 3972239), (199, 399220), (398, 199610), (796, 99805), (995, 79844), (1990, 39922), (3980, 19961)]