25031180

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2549}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 52693200

約数和(自身を除く): 27662020

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 2549, 4910, 5098, 9820, 10196, 12745, 25490, 50980, 1251559, 2503118, 5006236, 6257795, 12515590, 25031180]

約数ペア:

[(1, 25031180), (2, 12515590), (4, 6257795), (5, 5006236), (10, 2503118), (20, 1251559), (491, 50980), (982, 25490), (1964, 12745), (2455, 10196), (2549, 9820), (4910, 5098)]