5172880

素因数分解:

$2^4\times 5^1\times {\mathrm{64661}}^1$

素因数の和:64674

約数の個数: 20

約数和(自身を含む): 12027132

約数和(自身を除く): 6854252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64661, 129322, 258644, 323305, 517288, 646610, 1034576, 1293220, 2586440, 5172880]

約数ペア:

[(1, 5172880), (2, 2586440), (4, 1293220), (5, 1034576), (8, 646610), (10, 517288), (16, 323305), (20, 258644), (40, 129322), (80, 64661)]