24962500

素因数分解:

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

素因数の和:2026

約数の個数: 36

約数和(自身を含む): 54629316

約数和(自身を除く): 29666816

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1997, 2500, 3125, 3994, 6250, 7988, 9985, 12500, 19970, 39940, 49925, 99850, 199700, 249625, 499250, 998500, 1248125, 2496250, 4992500, 6240625, 12481250, 24962500]

約数ペア:

[(1, 24962500), (2, 12481250), (4, 6240625), (5, 4992500), (10, 2496250), (20, 1248125), (25, 998500), (50, 499250), (100, 249625), (125, 199700), (250, 99850), (500, 49925), (625, 39940), (1250, 19970), (1997, 12500), (2500, 9985), (3125, 7988), (3994, 6250)]