4992500

素因数分解:

$2^2\times 5^4\times {\mathrm{1997}}^1$

素因数の和:2021

約数の個数: 30

約数和(自身を含む): 10923066

約数和(自身を除く): 5930566

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1997, 2500, 3994, 7988, 9985, 19970, 39940, 49925, 99850, 199700, 249625, 499250, 998500, 1248125, 2496250, 4992500]

約数ペア:

[(1, 4992500), (2, 2496250), (4, 1248125), (5, 998500), (10, 499250), (20, 249625), (25, 199700), (50, 99850), (100, 49925), (125, 39940), (250, 19970), (500, 9985), (625, 7988), (1250, 3994), (1997, 2500)]