25793090

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 47712240

約数和(自身を除く): 21919150

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 397, 445, 730, 794, 890, 1985, 3970, 6497, 12994, 28981, 32485, 35333, 57962, 64970, 70666, 144905, 176665, 289810, 353330, 2579309, 5158618, 12896545, 25793090]

約数ペア:

[(1, 25793090), (2, 12896545), (5, 5158618), (10, 2579309), (73, 353330), (89, 289810), (146, 176665), (178, 144905), (365, 70666), (397, 64970), (445, 57962), (730, 35333), (794, 32485), (890, 28981), (1985, 12994), (3970, 6497)]