78429580

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{5531}}^1$

素因数の和:6249

約数の個数: 24

約数和(自身を含む): 164964240

約数和(自身を除く): 86534660

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 5531, 7090, 11062, 14180, 22124, 27655, 55310, 110620, 3921479, 7842958, 15685916, 19607395, 39214790, 78429580]

約数ペア:

[(1, 78429580), (2, 39214790), (4, 19607395), (5, 15685916), (10, 7842958), (20, 3921479), (709, 110620), (1418, 55310), (2836, 27655), (3545, 22124), (5531, 14180), (7090, 11062)]