8372500

素因数分解:

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

素因数の和:238

約数の個数: 60

約数和(自身を含む): 19484388

約数和(自身を除く): 11111888

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 197, 250, 340, 394, 425, 500, 625, 788, 850, 985, 1250, 1700, 1970, 2125, 2500, 3349, 3940, 4250, 4925, 6698, 8500, 9850, 10625, 13396, 16745, 19700, 21250, 24625, 33490, 42500, 49250, 66980, 83725, 98500, 123125, 167450, 246250, 334900, 418625, 492500, 837250, 1674500, 2093125, 4186250, 8372500]

約数ペア:

[(1, 8372500), (2, 4186250), (4, 2093125), (5, 1674500), (10, 837250), (17, 492500), (20, 418625), (25, 334900), (34, 246250), (50, 167450), (68, 123125), (85, 98500), (100, 83725), (125, 66980), (170, 49250), (197, 42500), (250, 33490), (340, 24625), (394, 21250), (425, 19700), (500, 16745), (625, 13396), (788, 10625), (850, 9850), (985, 8500), (1250, 6698), (1700, 4925), (1970, 4250), (2125, 3940), (2500, 3349)]