2008366520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{361217}}^1$

素因数の和:361367

約数の個数: 32

約数和(自身を含む): 4551346800

約数和(自身を除く): 2542980280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 361217, 722434, 1444868, 1806085, 2889736, 3612170, 7224340, 14448680, 50209163, 100418326, 200836652, 251045815, 401673304, 502091630, 1004183260, 2008366520]

約数ペア:

[(1, 2008366520), (2, 1004183260), (4, 502091630), (5, 401673304), (8, 251045815), (10, 200836652), (20, 100418326), (40, 50209163), (139, 14448680), (278, 7224340), (556, 3612170), (695, 2889736), (1112, 1806085), (1390, 1444868), (2780, 722434), (5560, 361217)]