85000000

素因数分解:

$2^6\times 5^7\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 112

約数和(自身を含む): 223241616

約数和(自身を除く): 138241616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 320, 340, 400, 425, 500, 544, 625, 680, 800, 850, 1000, 1088, 1250, 1360, 1600, 1700, 2000, 2125, 2500, 2720, 3125, 3400, 4000, 4250, 5000, 5440, 6250, 6800, 8000, 8500, 10000, 10625, 12500, 13600, 15625, 17000, 20000, 21250, 25000, 27200, 31250, 34000, 40000, 42500, 50000, 53125, 62500, 68000, 78125, 85000, 100000, 106250, 125000, 136000, 156250, 170000, 200000, 212500, 250000, 265625, 312500, 340000, 425000, 500000, 531250, 625000, 680000, 850000, 1000000, 1062500, 1250000, 1328125, 1700000, 2125000, 2500000, 2656250, 3400000, 4250000, 5000000, 5312500, 8500000, 10625000, 17000000, 21250000, 42500000, 85000000]

約数ペア:

[(1, 85000000), (2, 42500000), (4, 21250000), (5, 17000000), (8, 10625000), (10, 8500000), (16, 5312500), (17, 5000000), (20, 4250000), (25, 3400000), (32, 2656250), (34, 2500000), (40, 2125000), (50, 1700000), (64, 1328125), (68, 1250000), (80, 1062500), (85, 1000000), (100, 850000), (125, 680000), (136, 625000), (160, 531250), (170, 500000), (200, 425000), (250, 340000), (272, 312500), (320, 265625), (340, 250000), (400, 212500), (425, 200000), (500, 170000), (544, 156250), (625, 136000), (680, 125000), (800, 106250), (850, 100000), (1000, 85000), (1088, 78125), (1250, 68000), (1360, 62500), (1600, 53125), (1700, 50000), (2000, 42500), (2125, 40000), (2500, 34000), (2720, 31250), (3125, 27200), (3400, 25000), (4000, 21250), (4250, 20000), (5000, 17000), (5440, 15625), (6250, 13600), (6800, 12500), (8000, 10625), (8500, 10000)]