73664560

素因数分解:

$2^4\times 5^1\times {\mathrm{920807}}^1$

素因数の和:920820

約数の個数: 20

約数和(自身を含む): 171270288

約数和(自身を除く): 97605728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 920807, 1841614, 3683228, 4604035, 7366456, 9208070, 14732912, 18416140, 36832280, 73664560]

約数ペア:

[(1, 73664560), (2, 36832280), (4, 18416140), (5, 14732912), (8, 9208070), (10, 7366456), (16, 4604035), (20, 3683228), (40, 1841614), (80, 920807)]