12654280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 29859840

約数和(自身を除く): 17205560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 127, 188, 212, 235, 254, 265, 376, 424, 470, 508, 530, 635, 940, 1016, 1060, 1270, 1880, 2120, 2491, 2540, 4982, 5080, 5969, 6731, 9964, 11938, 12455, 13462, 19928, 23876, 24910, 26924, 29845, 33655, 47752, 49820, 53848, 59690, 67310, 99640, 119380, 134620, 238760, 269240, 316357, 632714, 1265428, 1581785, 2530856, 3163570, 6327140, 12654280]

約数ペア:

[(1, 12654280), (2, 6327140), (4, 3163570), (5, 2530856), (8, 1581785), (10, 1265428), (20, 632714), (40, 316357), (47, 269240), (53, 238760), (94, 134620), (106, 119380), (127, 99640), (188, 67310), (212, 59690), (235, 53848), (254, 49820), (265, 47752), (376, 33655), (424, 29845), (470, 26924), (508, 24910), (530, 23876), (635, 19928), (940, 13462), (1016, 12455), (1060, 11938), (1270, 9964), (1880, 6731), (2120, 5969), (2491, 5080), (2540, 4982)]