80275988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 164451840

約数和(自身を除く): 84175852

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 2621, 5242, 7657, 10484, 15314, 30628, 34073, 49799, 68146, 81251, 99598, 136292, 162502, 199196, 325004, 647387, 1056263, 1294774, 1543769, 2112526, 2589548, 3087538, 4225052, 6175076, 20068997, 40137994, 80275988]

約数ペア:

[(1, 80275988), (2, 40137994), (4, 20068997), (13, 6175076), (19, 4225052), (26, 3087538), (31, 2589548), (38, 2112526), (52, 1543769), (62, 1294774), (76, 1056263), (124, 647387), (247, 325004), (403, 199196), (494, 162502), (589, 136292), (806, 99598), (988, 81251), (1178, 68146), (1612, 49799), (2356, 34073), (2621, 30628), (5242, 15314), (7657, 10484)]