20160760

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{719}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 45489600

約数和(自身を除く): 25328840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 719, 1402, 1438, 2804, 2876, 3505, 3595, 5608, 5752, 7010, 7190, 14020, 14380, 28040, 28760, 504019, 1008038, 2016076, 2520095, 4032152, 5040190, 10080380, 20160760]

約数ペア:

[(1, 20160760), (2, 10080380), (4, 5040190), (5, 4032152), (8, 2520095), (10, 2016076), (20, 1008038), (40, 504019), (701, 28760), (719, 28040), (1402, 14380), (1438, 14020), (2804, 7190), (2876, 7010), (3505, 5752), (3595, 5608)]