72536560

素因数分解:

$2^4\times 5^1\times {\mathrm{906707}}^1$

素因数の和:906720

約数の個数: 20

約数和(自身を含む): 168647688

約数和(自身を除く): 96111128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 906707, 1813414, 3626828, 4533535, 7253656, 9067070, 14507312, 18134140, 36268280, 72536560]

約数ペア:

[(1, 72536560), (2, 36268280), (4, 18134140), (5, 14507312), (8, 9067070), (10, 7253656), (16, 4533535), (20, 3626828), (40, 1813414), (80, 906707)]