66451040

素因数分解:

$2^5\times 5^1\times {\mathrm{415319}}^1$

素因数の和:415334

約数の個数: 24

約数和(自身を含む): 156990960

約数和(自身を除く): 90539920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 415319, 830638, 1661276, 2076595, 3322552, 4153190, 6645104, 8306380, 13290208, 16612760, 33225520, 66451040]

約数ペア:

[(1, 66451040), (2, 33225520), (4, 16612760), (5, 13290208), (8, 8306380), (10, 6645104), (16, 4153190), (20, 3322552), (32, 2076595), (40, 1661276), (80, 830638), (160, 415319)]