26682280

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1031}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 60186240

約数和(自身を除く): 33503960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1031, 1294, 2062, 2588, 3235, 4124, 5155, 5176, 6470, 8248, 10310, 12940, 20620, 25880, 41240, 667057, 1334114, 2668228, 3335285, 5336456, 6670570, 13341140, 26682280]

約数ペア:

[(1, 26682280), (2, 13341140), (4, 6670570), (5, 5336456), (8, 3335285), (10, 2668228), (20, 1334114), (40, 667057), (647, 41240), (1031, 25880), (1294, 20620), (2062, 12940), (2588, 10310), (3235, 8248), (4124, 6470), (5155, 5176)]