12225880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 29211840

約数和(自身を除く): 16985960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 137, 184, 194, 230, 274, 388, 460, 485, 548, 685, 776, 920, 970, 1096, 1370, 1940, 2231, 2740, 3151, 3880, 4462, 5480, 6302, 8924, 11155, 12604, 13289, 15755, 17848, 22310, 25208, 26578, 31510, 44620, 53156, 63020, 66445, 89240, 106312, 126040, 132890, 265780, 305647, 531560, 611294, 1222588, 1528235, 2445176, 3056470, 6112940, 12225880]

約数ペア:

[(1, 12225880), (2, 6112940), (4, 3056470), (5, 2445176), (8, 1528235), (10, 1222588), (20, 611294), (23, 531560), (40, 305647), (46, 265780), (92, 132890), (97, 126040), (115, 106312), (137, 89240), (184, 66445), (194, 63020), (230, 53156), (274, 44620), (388, 31510), (460, 26578), (485, 25208), (548, 22310), (685, 17848), (776, 15755), (920, 13289), (970, 12604), (1096, 11155), (1370, 8924), (1940, 6302), (2231, 5480), (2740, 4462), (3151, 3880)]