24921250

素因数分解:

$2^1\times 5^4\times {\mathrm{19937}}^1$

素因数の和:19959

約数の個数: 20

約数和(自身を含む): 46714734

約数和(自身を除く): 21793484

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 19937, 39874, 99685, 199370, 498425, 996850, 2492125, 4984250, 12460625, 24921250]

約数ペア:

[(1, 24921250), (2, 12460625), (5, 4984250), (10, 2492125), (25, 996850), (50, 498425), (125, 199370), (250, 99685), (625, 39874), (1250, 19937)]