25807220

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5399}}^1$

素因数の和:5647

約数の個数: 24

約数和(自身を含む): 54432000

約数和(自身を除く): 28624780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 5399, 10798, 21596, 26995, 53990, 107980, 1290361, 2580722, 5161444, 6451805, 12903610, 25807220]

約数ペア:

[(1, 25807220), (2, 12903610), (4, 6451805), (5, 5161444), (10, 2580722), (20, 1290361), (239, 107980), (478, 53990), (956, 26995), (1195, 21596), (2390, 10798), (4780, 5399)]