28685000

素因数分解:

$2^3\times 5^4\times {\mathrm{5737}}^1$

素因数の和:5763

約数の個数: 40

約数和(自身を含む): 67220670

約数和(自身を除く): 38535670

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5737, 11474, 22948, 28685, 45896, 57370, 114740, 143425, 229480, 286850, 573700, 717125, 1147400, 1434250, 2868500, 3585625, 5737000, 7171250, 14342500, 28685000]

約数ペア:

[(1, 28685000), (2, 14342500), (4, 7171250), (5, 5737000), (8, 3585625), (10, 2868500), (20, 1434250), (25, 1147400), (40, 717125), (50, 573700), (100, 286850), (125, 229480), (200, 143425), (250, 114740), (500, 57370), (625, 45896), (1000, 28685), (1250, 22948), (2500, 11474), (5000, 5737)]