12730040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 30404160

約数和(自身を除く): 17674120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 101, 115, 137, 184, 202, 230, 274, 404, 460, 505, 548, 685, 808, 920, 1010, 1096, 1370, 2020, 2323, 2740, 3151, 4040, 4646, 5480, 6302, 9292, 11615, 12604, 13837, 15755, 18584, 23230, 25208, 27674, 31510, 46460, 55348, 63020, 69185, 92920, 110696, 126040, 138370, 276740, 318251, 553480, 636502, 1273004, 1591255, 2546008, 3182510, 6365020, 12730040]

約数ペア:

[(1, 12730040), (2, 6365020), (4, 3182510), (5, 2546008), (8, 1591255), (10, 1273004), (20, 636502), (23, 553480), (40, 318251), (46, 276740), (92, 138370), (101, 126040), (115, 110696), (137, 92920), (184, 69185), (202, 63020), (230, 55348), (274, 46460), (404, 31510), (460, 27674), (505, 25208), (548, 23230), (685, 18584), (808, 15755), (920, 13837), (1010, 12604), (1096, 11615), (1370, 9292), (2020, 6302), (2323, 5480), (2740, 4646), (3151, 4040)]