4925000

素因数分解:

$2^3\times 5^5\times {\mathrm{197}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 11600820

約数和(自身を除く): 6675820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 197, 200, 250, 394, 500, 625, 788, 985, 1000, 1250, 1576, 1970, 2500, 3125, 3940, 4925, 5000, 6250, 7880, 9850, 12500, 19700, 24625, 25000, 39400, 49250, 98500, 123125, 197000, 246250, 492500, 615625, 985000, 1231250, 2462500, 4925000]

約数ペア:

[(1, 4925000), (2, 2462500), (4, 1231250), (5, 985000), (8, 615625), (10, 492500), (20, 246250), (25, 197000), (40, 123125), (50, 98500), (100, 49250), (125, 39400), (197, 25000), (200, 24625), (250, 19700), (394, 12500), (500, 9850), (625, 7880), (788, 6250), (985, 5000), (1000, 4925), (1250, 3940), (1576, 3125), (1970, 2500)]