85780784

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{25409}}^1$

素因数の和:25628

約数の個数: 20

約数和(自身を含む): 166994520

約数和(自身を除く): 81213736

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 25409, 50818, 101636, 203272, 406544, 5361299, 10722598, 21445196, 42890392, 85780784]

約数ペア:

[(1, 85780784), (2, 42890392), (4, 21445196), (8, 10722598), (16, 5361299), (211, 406544), (422, 203272), (844, 101636), (1688, 50818), (3376, 25409)]