1272076360

素因数分解:

$2^3\times 5^1\times {\mathrm{31801909}}^1$

素因数の和:31801920

約数の個数: 16

約数和(自身を含む): 2862171900

約数和(自身を除く): 1590095540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31801909, 63603818, 127207636, 159009545, 254415272, 318019090, 636038180, 1272076360]

約数ペア:

[(1, 1272076360), (2, 636038180), (4, 318019090), (5, 254415272), (8, 159009545), (10, 127207636), (20, 63603818), (40, 31801909)]