84876740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{326449}}^1$

素因数の和:326471

約数の個数: 24

約数和(自身を含む): 191952600

約数和(自身を除く): 107075860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 326449, 652898, 1305796, 1632245, 3264490, 4243837, 6528980, 8487674, 16975348, 21219185, 42438370, 84876740]

約数ペア:

[(1, 84876740), (2, 42438370), (4, 21219185), (5, 16975348), (10, 8487674), (13, 6528980), (20, 4243837), (26, 3264490), (52, 1632245), (65, 1305796), (130, 652898), (260, 326449)]