85074820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{43853}}^1$

素因数の和:43959

約数の個数: 24

約数和(自身を含む): 180503064

約数和(自身を除く): 95428244

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 43853, 87706, 175412, 219265, 438530, 877060, 4253741, 8507482, 17014964, 21268705, 42537410, 85074820]

約数ペア:

[(1, 85074820), (2, 42537410), (4, 21268705), (5, 17014964), (10, 8507482), (20, 4253741), (97, 877060), (194, 438530), (388, 219265), (485, 175412), (970, 87706), (1940, 43853)]