51728800

素因数分解:

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

素因数の和:64681

約数の個数: 36

約数和(自身を含む): 126284886

約数和(自身を除く): 74556086

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 64661, 129322, 258644, 323305, 517288, 646610, 1034576, 1293220, 1616525, 2069152, 2586440, 3233050, 5172880, 6466100, 10345760, 12932200, 25864400, 51728800]

約数ペア:

[(1, 51728800), (2, 25864400), (4, 12932200), (5, 10345760), (8, 6466100), (10, 5172880), (16, 3233050), (20, 2586440), (25, 2069152), (32, 1616525), (40, 1293220), (50, 1034576), (80, 646610), (100, 517288), (160, 323305), (200, 258644), (400, 129322), (800, 64661)]