827752220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{3559}}^1$

素因数の和:3998

約数の個数: 48

約数和(自身を含む): 1803211200

約数和(自身を除く): 975458980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 401, 580, 802, 1604, 2005, 3559, 4010, 7118, 8020, 11629, 14236, 17795, 23258, 35590, 46516, 58145, 71180, 103211, 116290, 206422, 232580, 412844, 516055, 1032110, 1427159, 2064220, 2854318, 5708636, 7135795, 14271590, 28543180, 41387611, 82775222, 165550444, 206938055, 413876110, 827752220]

約数ペア:

[(1, 827752220), (2, 413876110), (4, 206938055), (5, 165550444), (10, 82775222), (20, 41387611), (29, 28543180), (58, 14271590), (116, 7135795), (145, 5708636), (290, 2854318), (401, 2064220), (580, 1427159), (802, 1032110), (1604, 516055), (2005, 412844), (3559, 232580), (4010, 206422), (7118, 116290), (8020, 103211), (11629, 71180), (14236, 58145), (17795, 46516), (23258, 35590)]