541330280

素因数分解:

$2^3\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{5347}}^1$

素因数の和:7889

約数の個数: 32

約数和(自身を含む): 1218702240

約数和(自身を除く): 677371960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2531, 5062, 5347, 10124, 10694, 12655, 20248, 21388, 25310, 26735, 42776, 50620, 53470, 101240, 106940, 213880, 13533257, 27066514, 54133028, 67666285, 108266056, 135332570, 270665140, 541330280]

約数ペア:

[(1, 541330280), (2, 270665140), (4, 135332570), (5, 108266056), (8, 67666285), (10, 54133028), (20, 27066514), (40, 13533257), (2531, 213880), (5062, 106940), (5347, 101240), (10124, 53470), (10694, 50620), (12655, 42776), (20248, 26735), (21388, 25310)]