40471808

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{12161}}^1$

素因数の和:12190

約数の個数: 36

約数和(自身を含む): 87006948

約数和(自身を除く): 46535140

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 12161, 24322, 48644, 97288, 158093, 194576, 316186, 389152, 632372, 778304, 1264744, 1556608, 2529488, 3113216, 5058976, 10117952, 20235904, 40471808]

約数ペア:

[(1, 40471808), (2, 20235904), (4, 10117952), (8, 5058976), (13, 3113216), (16, 2529488), (26, 1556608), (32, 1264744), (52, 778304), (64, 632372), (104, 389152), (128, 316186), (208, 194576), (256, 158093), (416, 97288), (832, 48644), (1664, 24322), (3328, 12161)]