16745000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 41752260

約数和(自身を除く): 25007260

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 197, 200, 250, 340, 394, 425, 500, 625, 680, 788, 850, 985, 1000, 1250, 1576, 1700, 1970, 2125, 2500, 3349, 3400, 3940, 4250, 4925, 5000, 6698, 7880, 8500, 9850, 10625, 13396, 16745, 17000, 19700, 21250, 24625, 26792, 33490, 39400, 42500, 49250, 66980, 83725, 85000, 98500, 123125, 133960, 167450, 197000, 246250, 334900, 418625, 492500, 669800, 837250, 985000, 1674500, 2093125, 3349000, 4186250, 8372500, 16745000]

約数ペア:

[(1, 16745000), (2, 8372500), (4, 4186250), (5, 3349000), (8, 2093125), (10, 1674500), (17, 985000), (20, 837250), (25, 669800), (34, 492500), (40, 418625), (50, 334900), (68, 246250), (85, 197000), (100, 167450), (125, 133960), (136, 123125), (170, 98500), (197, 85000), (200, 83725), (250, 66980), (340, 49250), (394, 42500), (425, 39400), (500, 33490), (625, 26792), (680, 24625), (788, 21250), (850, 19700), (985, 17000), (1000, 16745), (1250, 13396), (1576, 10625), (1700, 9850), (1970, 8500), (2125, 7880), (2500, 6698), (3349, 5000), (3400, 4925), (3940, 4250)]