25021972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 45101952

約数和(自身を除く): 20079980

約数列:

[1, 2, 4, 41, 82, 164, 271, 542, 563, 1084, 1126, 2252, 11111, 22222, 23083, 44444, 46166, 92332, 152573, 305146, 610292, 6255493, 12510986, 25021972]

約数ペア:

[(1, 25021972), (2, 12510986), (4, 6255493), (41, 610292), (82, 305146), (164, 152573), (271, 92332), (542, 46166), (563, 44444), (1084, 23083), (1126, 22222), (2252, 11111)]