80242864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{385783}}^1$

素因数の和:385804

約数の個数: 20

約数和(自身を含む): 167430256

約数和(自身を除く): 87187392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 385783, 771566, 1543132, 3086264, 5015179, 6172528, 10030358, 20060716, 40121432, 80242864]

約数ペア:

[(1, 80242864), (2, 40121432), (4, 20060716), (8, 10030358), (13, 6172528), (16, 5015179), (26, 3086264), (52, 1543132), (104, 771566), (208, 385783)]