12492500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 60

約数和(自身を含む): 28865760

約数和(自身を除く): 16373260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 263, 380, 475, 500, 526, 625, 950, 1052, 1250, 1315, 1900, 2375, 2500, 2630, 4750, 4997, 5260, 6575, 9500, 9994, 11875, 13150, 19988, 23750, 24985, 26300, 32875, 47500, 49970, 65750, 99940, 124925, 131500, 164375, 249850, 328750, 499700, 624625, 657500, 1249250, 2498500, 3123125, 6246250, 12492500]

約数ペア:

[(1, 12492500), (2, 6246250), (4, 3123125), (5, 2498500), (10, 1249250), (19, 657500), (20, 624625), (25, 499700), (38, 328750), (50, 249850), (76, 164375), (95, 131500), (100, 124925), (125, 99940), (190, 65750), (250, 49970), (263, 47500), (380, 32875), (475, 26300), (500, 24985), (526, 23750), (625, 19988), (950, 13150), (1052, 11875), (1250, 9994), (1315, 9500), (1900, 6575), (2375, 5260), (2500, 4997), (2630, 4750)]