1277332120

素因数分解:

$2^3\times 5^1\times {\mathrm{31933303}}^1$

素因数の和:31933314

約数の個数: 16

約数和(自身を含む): 2873997360

約数和(自身を除く): 1596665240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31933303, 63866606, 127733212, 159666515, 255466424, 319333030, 638666060, 1277332120]

約数ペア:

[(1, 1277332120), (2, 638666060), (4, 319333030), (5, 255466424), (8, 159666515), (10, 127733212), (20, 63866606), (40, 31933303)]