2065402820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{7873}}^1$

素因数の和:8904

約数の個数: 48

約数和(自身を含む): 4676211120

約数和(自身を除く): 2610808300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1009, 2018, 4036, 5045, 7873, 10090, 13117, 15746, 20180, 26234, 31492, 39365, 52468, 65585, 78730, 102349, 131170, 157460, 204698, 262340, 409396, 511745, 1023490, 2046980, 7943857, 15887714, 31775428, 39719285, 79438570, 103270141, 158877140, 206540282, 413080564, 516350705, 1032701410, 2065402820]

約数ペア:

[(1, 2065402820), (2, 1032701410), (4, 516350705), (5, 413080564), (10, 206540282), (13, 158877140), (20, 103270141), (26, 79438570), (52, 39719285), (65, 31775428), (130, 15887714), (260, 7943857), (1009, 2046980), (2018, 1023490), (4036, 511745), (5045, 409396), (7873, 262340), (10090, 204698), (13117, 157460), (15746, 131170), (20180, 102349), (26234, 78730), (31492, 65585), (39365, 52468)]