49131920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 118920960

約数和(自身を除く): 69789040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 73, 80, 94, 146, 179, 188, 235, 292, 358, 365, 376, 470, 584, 716, 730, 752, 895, 940, 1168, 1432, 1460, 1790, 1880, 2864, 2920, 3431, 3580, 3760, 5840, 6862, 7160, 8413, 13067, 13724, 14320, 16826, 17155, 26134, 27448, 33652, 34310, 42065, 52268, 54896, 65335, 67304, 68620, 84130, 104536, 130670, 134608, 137240, 168260, 209072, 261340, 274480, 336520, 522680, 614149, 673040, 1045360, 1228298, 2456596, 3070745, 4913192, 6141490, 9826384, 12282980, 24565960, 49131920]

約数ペア:

[(1, 49131920), (2, 24565960), (4, 12282980), (5, 9826384), (8, 6141490), (10, 4913192), (16, 3070745), (20, 2456596), (40, 1228298), (47, 1045360), (73, 673040), (80, 614149), (94, 522680), (146, 336520), (179, 274480), (188, 261340), (235, 209072), (292, 168260), (358, 137240), (365, 134608), (376, 130670), (470, 104536), (584, 84130), (716, 68620), (730, 67304), (752, 65335), (895, 54896), (940, 52268), (1168, 42065), (1432, 34310), (1460, 33652), (1790, 27448), (1880, 26134), (2864, 17155), (2920, 16826), (3431, 14320), (3580, 13724), (3760, 13067), (5840, 8413), (6862, 7160)]