25492240

素因数分解:

$2^4\times 5^1\times {\mathrm{318653}}^1$

素因数の和:318666

約数の個数: 20

約数和(自身を含む): 59269644

約数和(自身を除く): 33777404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318653, 637306, 1274612, 1593265, 2549224, 3186530, 5098448, 6373060, 12746120, 25492240]

約数ペア:

[(1, 25492240), (2, 12746120), (4, 6373060), (5, 5098448), (8, 3186530), (10, 2549224), (16, 1593265), (20, 1274612), (40, 637306), (80, 318653)]