12687200

素因数分解:

$2^5\times 5^2\times {\mathrm{15859}}^1$

素因数の和:15879

約数の個数: 36

約数和(自身を含む): 30974580

約数和(自身を除く): 18287380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 15859, 31718, 63436, 79295, 126872, 158590, 253744, 317180, 396475, 507488, 634360, 792950, 1268720, 1585900, 2537440, 3171800, 6343600, 12687200]

約数ペア:

[(1, 12687200), (2, 6343600), (4, 3171800), (5, 2537440), (8, 1585900), (10, 1268720), (16, 792950), (20, 634360), (25, 507488), (32, 396475), (40, 317180), (50, 253744), (80, 158590), (100, 126872), (160, 79295), (200, 63436), (400, 31718), (800, 15859)]