78052120

素因数分解:

$2^3\times 5^1\times {\mathrm{1951303}}^1$

素因数の和:1951314

約数の個数: 16

約数和(自身を含む): 175617360

約数和(自身を除く): 97565240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1951303, 3902606, 7805212, 9756515, 15610424, 19513030, 39026060, 78052120]

約数ペア:

[(1, 78052120), (2, 39026060), (4, 19513030), (5, 15610424), (8, 9756515), (10, 7805212), (20, 3902606), (40, 1951303)]