20173950800

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{489659}}^1$

素因数の和:489780

約数の個数: 60

約数和(自身を含む): 48938579040

約数和(自身を除く): 28764628240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 515, 824, 1030, 1648, 2060, 2575, 4120, 5150, 8240, 10300, 20600, 41200, 489659, 979318, 1958636, 2448295, 3917272, 4896590, 7834544, 9793180, 12241475, 19586360, 24482950, 39172720, 48965900, 50434877, 97931800, 100869754, 195863600, 201739508, 252174385, 403479016, 504348770, 806958032, 1008697540, 1260871925, 2017395080, 2521743850, 4034790160, 5043487700, 10086975400, 20173950800]

約数ペア:

[(1, 20173950800), (2, 10086975400), (4, 5043487700), (5, 4034790160), (8, 2521743850), (10, 2017395080), (16, 1260871925), (20, 1008697540), (25, 806958032), (40, 504348770), (50, 403479016), (80, 252174385), (100, 201739508), (103, 195863600), (200, 100869754), (206, 97931800), (400, 50434877), (412, 48965900), (515, 39172720), (824, 24482950), (1030, 19586360), (1648, 12241475), (2060, 9793180), (2575, 7834544), (4120, 4896590), (5150, 3917272), (8240, 2448295), (10300, 1958636), (20600, 979318), (41200, 489659)]