201040720

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{7457}}^1$

素因数の和:7807

約数の個数: 40

約数和(自身を含む): 468869544

約数和(自身を除く): 267828824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2696, 3370, 5392, 6740, 7457, 13480, 14914, 26960, 29828, 37285, 59656, 74570, 119312, 149140, 298280, 596560, 2513009, 5026018, 10052036, 12565045, 20104072, 25130090, 40208144, 50260180, 100520360, 201040720]

約数ペア:

[(1, 201040720), (2, 100520360), (4, 50260180), (5, 40208144), (8, 25130090), (10, 20104072), (16, 12565045), (20, 10052036), (40, 5026018), (80, 2513009), (337, 596560), (674, 298280), (1348, 149140), (1685, 119312), (2696, 74570), (3370, 59656), (5392, 37285), (6740, 29828), (7457, 26960), (13480, 14914)]