321569120

素因数分解:

$2^5\times 5^1\times {\mathrm{2009807}}^1$

素因数の和:2009822

約数の個数: 24

約数和(自身を含む): 759707424

約数和(自身を除く): 438138304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2009807, 4019614, 8039228, 10049035, 16078456, 20098070, 32156912, 40196140, 64313824, 80392280, 160784560, 321569120]

約数ペア:

[(1, 321569120), (2, 160784560), (4, 80392280), (5, 64313824), (8, 40196140), (10, 32156912), (16, 20098070), (20, 16078456), (32, 10049035), (40, 8039228), (80, 4019614), (160, 2009807)]