40639976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 85594320

約数和(自身を除く): 44954344

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 73, 101, 104, 106, 146, 202, 212, 292, 404, 424, 584, 689, 808, 949, 1313, 1378, 1898, 2626, 2756, 3796, 3869, 5252, 5353, 5512, 7373, 7592, 7738, 10504, 10706, 14746, 15476, 21412, 29492, 30952, 42824, 50297, 58984, 69589, 95849, 100594, 139178, 191698, 201188, 278356, 383396, 390769, 402376, 556712, 766792, 781538, 1563076, 3126152, 5079997, 10159994, 20319988, 40639976]

約数ペア:

[(1, 40639976), (2, 20319988), (4, 10159994), (8, 5079997), (13, 3126152), (26, 1563076), (52, 781538), (53, 766792), (73, 556712), (101, 402376), (104, 390769), (106, 383396), (146, 278356), (202, 201188), (212, 191698), (292, 139178), (404, 100594), (424, 95849), (584, 69589), (689, 58984), (808, 50297), (949, 42824), (1313, 30952), (1378, 29492), (1898, 21412), (2626, 15476), (2756, 14746), (3796, 10706), (3869, 10504), (5252, 7738), (5353, 7592), (5512, 7373)]