7224880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6973

約数の個数: 40

約数和(自身を含む): 18092592

約数和(自身を除く): 10867712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6947, 13894, 27788, 34735, 55576, 69470, 90311, 111152, 138940, 180622, 277880, 361244, 451555, 555760, 722488, 903110, 1444976, 1806220, 3612440, 7224880]

約数ペア:

[(1, 7224880), (2, 3612440), (4, 1806220), (5, 1444976), (8, 903110), (10, 722488), (13, 555760), (16, 451555), (20, 361244), (26, 277880), (40, 180622), (52, 138940), (65, 111152), (80, 90311), (104, 69470), (130, 55576), (208, 34735), (260, 27788), (520, 13894), (1040, 6947)]