31496000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 112

約数和(自身を含む): 81149952

約数和(自身を除く): 49653952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 127, 155, 160, 200, 248, 250, 254, 310, 320, 400, 496, 500, 508, 620, 635, 775, 800, 992, 1000, 1016, 1240, 1270, 1550, 1600, 1984, 2000, 2032, 2480, 2540, 3100, 3175, 3875, 3937, 4000, 4064, 4960, 5080, 6200, 6350, 7750, 7874, 8000, 8128, 9920, 10160, 12400, 12700, 15500, 15748, 15875, 19685, 20320, 24800, 25400, 31000, 31496, 31750, 39370, 40640, 49600, 50800, 62000, 62992, 63500, 78740, 98425, 101600, 124000, 125984, 127000, 157480, 196850, 203200, 248000, 251968, 254000, 314960, 393700, 492125, 508000, 629920, 787400, 984250, 1016000, 1259840, 1574800, 1968500, 3149600, 3937000, 6299200, 7874000, 15748000, 31496000]

約数ペア:

[(1, 31496000), (2, 15748000), (4, 7874000), (5, 6299200), (8, 3937000), (10, 3149600), (16, 1968500), (20, 1574800), (25, 1259840), (31, 1016000), (32, 984250), (40, 787400), (50, 629920), (62, 508000), (64, 492125), (80, 393700), (100, 314960), (124, 254000), (125, 251968), (127, 248000), (155, 203200), (160, 196850), (200, 157480), (248, 127000), (250, 125984), (254, 124000), (310, 101600), (320, 98425), (400, 78740), (496, 63500), (500, 62992), (508, 62000), (620, 50800), (635, 49600), (775, 40640), (800, 39370), (992, 31750), (1000, 31496), (1016, 31000), (1240, 25400), (1270, 24800), (1550, 20320), (1600, 19685), (1984, 15875), (2000, 15748), (2032, 15500), (2480, 12700), (2540, 12400), (3100, 10160), (3175, 9920), (3875, 8128), (3937, 8000), (4000, 7874), (4064, 7750), (4960, 6350), (5080, 6200)]