260749820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{86341}}^1$

素因数の和:86501

約数の個数: 24

約数和(自身を含む): 551207328

約数和(自身を除く): 290457508

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 86341, 172682, 345364, 431705, 863410, 1726820, 13037491, 26074982, 52149964, 65187455, 130374910, 260749820]

約数ペア:

[(1, 260749820), (2, 130374910), (4, 65187455), (5, 52149964), (10, 26074982), (20, 13037491), (151, 1726820), (302, 863410), (604, 431705), (755, 345364), (1510, 172682), (3020, 86341)]