8353020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10709}}^1$

素因数の和:10734

約数の個数: 48

約数和(自身を含む): 25189920

約数和(自身を除く): 16836900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10709, 21418, 32127, 42836, 53545, 64254, 107090, 128508, 139217, 160635, 214180, 278434, 321270, 417651, 556868, 642540, 696085, 835302, 1392170, 1670604, 2088255, 2784340, 4176510, 8353020]

約数ペア:

[(1, 8353020), (2, 4176510), (3, 2784340), (4, 2088255), (5, 1670604), (6, 1392170), (10, 835302), (12, 696085), (13, 642540), (15, 556868), (20, 417651), (26, 321270), (30, 278434), (39, 214180), (52, 160635), (60, 139217), (65, 128508), (78, 107090), (130, 64254), (156, 53545), (195, 42836), (260, 32127), (390, 21418), (780, 10709)]