80559020

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{7079}}^1$

素因数の和:7657

約数の個数: 24

約数和(自身を含む): 169495200

約数和(自身を除く): 88936180

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 7079, 11380, 14158, 28316, 35395, 70790, 141580, 4027951, 8055902, 16111804, 20139755, 40279510, 80559020]

約数ペア:

[(1, 80559020), (2, 40279510), (4, 20139755), (5, 16111804), (10, 8055902), (20, 4027951), (569, 141580), (1138, 70790), (2276, 35395), (2845, 28316), (5690, 14158), (7079, 11380)]