82720480

素因数分解:

$2^5\times 5^1\times {\mathrm{517003}}^1$

素因数の和:517018

約数の個数: 24

約数和(自身を含む): 195427512

約数和(自身を除く): 112707032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 517003, 1034006, 2068012, 2585015, 4136024, 5170030, 8272048, 10340060, 16544096, 20680120, 41360240, 82720480]

約数ペア:

[(1, 82720480), (2, 41360240), (4, 20680120), (5, 16544096), (8, 10340060), (10, 8272048), (16, 5170030), (20, 4136024), (32, 2585015), (40, 2068012), (80, 1034006), (160, 517003)]