24925000

素因数分解:

$2^3\times 5^5\times {\mathrm{997}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 58472820

約数和(自身を除く): 33547820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 997, 1000, 1250, 1994, 2500, 3125, 3988, 4985, 5000, 6250, 7976, 9970, 12500, 19940, 24925, 25000, 39880, 49850, 99700, 124625, 199400, 249250, 498500, 623125, 997000, 1246250, 2492500, 3115625, 4985000, 6231250, 12462500, 24925000]

約数ペア:

[(1, 24925000), (2, 12462500), (4, 6231250), (5, 4985000), (8, 3115625), (10, 2492500), (20, 1246250), (25, 997000), (40, 623125), (50, 498500), (100, 249250), (125, 199400), (200, 124625), (250, 99700), (500, 49850), (625, 39880), (997, 25000), (1000, 24925), (1250, 19940), (1994, 12500), (2500, 9970), (3125, 7976), (3988, 6250), (4985, 5000)]