31960000

素因数分解:

$2^6\times 5^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:96

約数の個数: 140

約数和(自身を含む): 85697568

約数和(自身を除く): 53737568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 47, 50, 64, 68, 80, 85, 94, 100, 125, 136, 160, 170, 188, 200, 235, 250, 272, 320, 340, 376, 400, 425, 470, 500, 544, 625, 680, 752, 799, 800, 850, 940, 1000, 1088, 1175, 1250, 1360, 1504, 1598, 1600, 1700, 1880, 2000, 2125, 2350, 2500, 2720, 3008, 3196, 3400, 3760, 3995, 4000, 4250, 4700, 5000, 5440, 5875, 6392, 6800, 7520, 7990, 8000, 8500, 9400, 10000, 10625, 11750, 12784, 13600, 15040, 15980, 17000, 18800, 19975, 20000, 21250, 23500, 25568, 27200, 29375, 31960, 34000, 37600, 39950, 40000, 42500, 47000, 51136, 58750, 63920, 68000, 75200, 79900, 85000, 94000, 99875, 117500, 127840, 136000, 159800, 170000, 188000, 199750, 235000, 255680, 319600, 340000, 376000, 399500, 470000, 499375, 639200, 680000, 799000, 940000, 998750, 1278400, 1598000, 1880000, 1997500, 3196000, 3995000, 6392000, 7990000, 15980000, 31960000]

約数ペア:

[(1, 31960000), (2, 15980000), (4, 7990000), (5, 6392000), (8, 3995000), (10, 3196000), (16, 1997500), (17, 1880000), (20, 1598000), (25, 1278400), (32, 998750), (34, 940000), (40, 799000), (47, 680000), (50, 639200), (64, 499375), (68, 470000), (80, 399500), (85, 376000), (94, 340000), (100, 319600), (125, 255680), (136, 235000), (160, 199750), (170, 188000), (188, 170000), (200, 159800), (235, 136000), (250, 127840), (272, 117500), (320, 99875), (340, 94000), (376, 85000), (400, 79900), (425, 75200), (470, 68000), (500, 63920), (544, 58750), (625, 51136), (680, 47000), (752, 42500), (799, 40000), (800, 39950), (850, 37600), (940, 34000), (1000, 31960), (1088, 29375), (1175, 27200), (1250, 25568), (1360, 23500), (1504, 21250), (1598, 20000), (1600, 19975), (1700, 18800), (1880, 17000), (2000, 15980), (2125, 15040), (2350, 13600), (2500, 12784), (2720, 11750), (3008, 10625), (3196, 10000), (3400, 9400), (3760, 8500), (3995, 8000), (4000, 7990), (4250, 7520), (4700, 6800), (5000, 6392), (5440, 5875)]