813335020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{514769}}^1$

素因数の和:514857

約数の個数: 24

約数和(自身を含む): 1729627200

約数和(自身を除く): 916292180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 514769, 1029538, 2059076, 2573845, 5147690, 10295380, 40666751, 81333502, 162667004, 203333755, 406667510, 813335020]

約数ペア:

[(1, 813335020), (2, 406667510), (4, 203333755), (5, 162667004), (10, 81333502), (20, 40666751), (79, 10295380), (158, 5147690), (316, 2573845), (395, 2059076), (790, 1029538), (1580, 514769)]