25361900

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2138

約数の個数: 36

約数和(自身を含む): 55496448

約数和(自身を除く): 30134548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 1997, 2540, 3175, 3994, 6350, 7988, 9985, 12700, 19970, 39940, 49925, 99850, 199700, 253619, 507238, 1014476, 1268095, 2536190, 5072380, 6340475, 12680950, 25361900]

約数ペア:

[(1, 25361900), (2, 12680950), (4, 6340475), (5, 5072380), (10, 2536190), (20, 1268095), (25, 1014476), (50, 507238), (100, 253619), (127, 199700), (254, 99850), (508, 49925), (635, 39940), (1270, 19970), (1997, 12700), (2540, 9985), (3175, 7988), (3994, 6350)]