9085000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 22492800

約数和(自身を除く): 13407800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 79, 92, 100, 115, 125, 158, 184, 200, 230, 250, 316, 395, 460, 500, 575, 625, 632, 790, 920, 1000, 1150, 1250, 1580, 1817, 1975, 2300, 2500, 2875, 3160, 3634, 3950, 4600, 5000, 5750, 7268, 7900, 9085, 9875, 11500, 14375, 14536, 15800, 18170, 19750, 23000, 28750, 36340, 39500, 45425, 49375, 57500, 72680, 79000, 90850, 98750, 115000, 181700, 197500, 227125, 363400, 395000, 454250, 908500, 1135625, 1817000, 2271250, 4542500, 9085000]

約数ペア:

[(1, 9085000), (2, 4542500), (4, 2271250), (5, 1817000), (8, 1135625), (10, 908500), (20, 454250), (23, 395000), (25, 363400), (40, 227125), (46, 197500), (50, 181700), (79, 115000), (92, 98750), (100, 90850), (115, 79000), (125, 72680), (158, 57500), (184, 49375), (200, 45425), (230, 39500), (250, 36340), (316, 28750), (395, 23000), (460, 19750), (500, 18170), (575, 15800), (625, 14536), (632, 14375), (790, 11500), (920, 9875), (1000, 9085), (1150, 7900), (1250, 7268), (1580, 5750), (1817, 5000), (1975, 4600), (2300, 3950), (2500, 3634), (2875, 3160)]