80495620816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{386998177}}^1$

素因数の和:386998198

約数の個数: 20

約数和(自身を含む): 167957209252

約数和(自身を除く): 87461588436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 386998177, 773996354, 1547992708, 3095985416, 5030976301, 6191970832, 10061952602, 20123905204, 40247810408, 80495620816]

約数ペア:

[(1, 80495620816), (2, 40247810408), (4, 20123905204), (8, 10061952602), (13, 6191970832), (16, 5030976301), (26, 3095985416), (52, 1547992708), (104, 773996354), (208, 386998177)]