82281820

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{2879}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 172972800

約数和(自身を除く): 90690980

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 2879, 5716, 5758, 7145, 11516, 14290, 14395, 28580, 28790, 57580, 4114091, 8228182, 16456364, 20570455, 41140910, 82281820]

約数ペア:

[(1, 82281820), (2, 41140910), (4, 20570455), (5, 16456364), (10, 8228182), (20, 4114091), (1429, 57580), (2858, 28790), (2879, 28580), (5716, 14395), (5758, 14290), (7145, 11516)]