161569120

素因数分解:

$2^5\times 5^1\times {\mathrm{1009807}}^1$

素因数の和:1009822

約数の個数: 24

約数和(自身を含む): 381707424

約数和(自身を除く): 220138304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1009807, 2019614, 4039228, 5049035, 8078456, 10098070, 16156912, 20196140, 32313824, 40392280, 80784560, 161569120]

約数ペア:

[(1, 161569120), (2, 80784560), (4, 40392280), (5, 32313824), (8, 20196140), (10, 16156912), (16, 10098070), (20, 8078456), (32, 5049035), (40, 4039228), (80, 2019614), (160, 1009807)]