22885000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 56232000

約数和(自身を除く): 33347000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 199, 200, 230, 250, 398, 460, 500, 575, 625, 796, 920, 995, 1000, 1150, 1250, 1592, 1990, 2300, 2500, 2875, 3980, 4577, 4600, 4975, 5000, 5750, 7960, 9154, 9950, 11500, 14375, 18308, 19900, 22885, 23000, 24875, 28750, 36616, 39800, 45770, 49750, 57500, 91540, 99500, 114425, 115000, 124375, 183080, 199000, 228850, 248750, 457700, 497500, 572125, 915400, 995000, 1144250, 2288500, 2860625, 4577000, 5721250, 11442500, 22885000]

約数ペア:

[(1, 22885000), (2, 11442500), (4, 5721250), (5, 4577000), (8, 2860625), (10, 2288500), (20, 1144250), (23, 995000), (25, 915400), (40, 572125), (46, 497500), (50, 457700), (92, 248750), (100, 228850), (115, 199000), (125, 183080), (184, 124375), (199, 115000), (200, 114425), (230, 99500), (250, 91540), (398, 57500), (460, 49750), (500, 45770), (575, 39800), (625, 36616), (796, 28750), (920, 24875), (995, 23000), (1000, 22885), (1150, 19900), (1250, 18308), (1592, 14375), (1990, 11500), (2300, 9950), (2500, 9154), (2875, 7960), (3980, 5750), (4577, 5000), (4600, 4975)]