156969187280

素因数分解:

$2^4\times 5^1\times {\mathrm{1962114841}}^1$

素因数の和:1962114854

約数の個数: 20

約数和(自身を含む): 364953360612

約数和(自身を除く): 207984173332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962114841, 3924229682, 7848459364, 9810574205, 15696918728, 19621148410, 31393837456, 39242296820, 78484593640, 156969187280]

約数ペア:

[(1, 156969187280), (2, 78484593640), (4, 39242296820), (5, 31393837456), (8, 19621148410), (10, 15696918728), (16, 9810574205), (20, 7848459364), (40, 3924229682), (80, 1962114841)]