78332120

素因数分解:

$2^3\times 5^1\times {\mathrm{1958303}}^1$

素因数の和:1958314

約数の個数: 16

約数和(自身を含む): 176247360

約数和(自身を除く): 97915240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1958303, 3916606, 7833212, 9791515, 15666424, 19583030, 39166060, 78332120]

約数ペア:

[(1, 78332120), (2, 39166060), (4, 19583030), (5, 15666424), (8, 9791515), (10, 7833212), (20, 3916606), (40, 1958303)]