853784440

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{32687}}^1$

素因数の和:33351

約数の個数: 32

約数和(自身を含む): 1924015680

約数和(自身を除く): 1070231240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 26120, 32687, 65374, 130748, 163435, 261496, 326870, 653740, 1307480, 21344611, 42689222, 85378444, 106723055, 170756888, 213446110, 426892220, 853784440]

約数ペア:

[(1, 853784440), (2, 426892220), (4, 213446110), (5, 170756888), (8, 106723055), (10, 85378444), (20, 42689222), (40, 21344611), (653, 1307480), (1306, 653740), (2612, 326870), (3265, 261496), (5224, 163435), (6530, 130748), (13060, 65374), (26120, 32687)]