25418980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9277}}^1$

素因数の和:9423

約数の個数: 24

約数和(自身を含む): 53775288

約数和(自身を除く): 28356308

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 9277, 18554, 37108, 46385, 92770, 185540, 1270949, 2541898, 5083796, 6354745, 12709490, 25418980]

約数ペア:

[(1, 25418980), (2, 12709490), (4, 6354745), (5, 5083796), (10, 2541898), (20, 1270949), (137, 185540), (274, 92770), (548, 46385), (685, 37108), (1370, 18554), (2740, 9277)]