161921440

素因数分解:

$2^5\times 5^1\times {\mathrm{1012009}}^1$

素因数の和:1012024

約数の個数: 24

約数和(自身を含む): 382539780

約数和(自身を除く): 220618340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1012009, 2024018, 4048036, 5060045, 8096072, 10120090, 16192144, 20240180, 32384288, 40480360, 80960720, 161921440]

約数ペア:

[(1, 161921440), (2, 80960720), (4, 40480360), (5, 32384288), (8, 20240180), (10, 16192144), (16, 10120090), (20, 8096072), (32, 5060045), (40, 4048036), (80, 2024018), (160, 1012009)]