12681920

素因数分解:

$2^6\times 5^1\times {\mathrm{39631}}^1$

素因数の和:39648

約数の個数: 28

約数和(自身を含む): 30199584

約数和(自身を除く): 17517664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39631, 79262, 158524, 198155, 317048, 396310, 634096, 792620, 1268192, 1585240, 2536384, 3170480, 6340960, 12681920]

約数ペア:

[(1, 12681920), (2, 6340960), (4, 3170480), (5, 2536384), (8, 1585240), (10, 1268192), (16, 792620), (20, 634096), (32, 396310), (40, 317048), (64, 198155), (80, 158524), (160, 79262), (320, 39631)]