4255000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 80

約数和(自身を含む): 10684080

約数和(自身を除く): 6429080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 37, 40, 46, 50, 74, 92, 100, 115, 125, 148, 184, 185, 200, 230, 250, 296, 370, 460, 500, 575, 625, 740, 851, 920, 925, 1000, 1150, 1250, 1480, 1702, 1850, 2300, 2500, 2875, 3404, 3700, 4255, 4600, 4625, 5000, 5750, 6808, 7400, 8510, 9250, 11500, 14375, 17020, 18500, 21275, 23000, 23125, 28750, 34040, 37000, 42550, 46250, 57500, 85100, 92500, 106375, 115000, 170200, 185000, 212750, 425500, 531875, 851000, 1063750, 2127500, 4255000]

約数ペア:

[(1, 4255000), (2, 2127500), (4, 1063750), (5, 851000), (8, 531875), (10, 425500), (20, 212750), (23, 185000), (25, 170200), (37, 115000), (40, 106375), (46, 92500), (50, 85100), (74, 57500), (92, 46250), (100, 42550), (115, 37000), (125, 34040), (148, 28750), (184, 23125), (185, 23000), (200, 21275), (230, 18500), (250, 17020), (296, 14375), (370, 11500), (460, 9250), (500, 8510), (575, 7400), (625, 6808), (740, 5750), (851, 5000), (920, 4625), (925, 4600), (1000, 4255), (1150, 3700), (1250, 3404), (1480, 2875), (1702, 2500), (1850, 2300)]