131781320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{5651}}^1$

素因数の和:5726

約数の個数: 64

約数和(自身を含む): 329624640

約数和(自身を除く): 197843320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 4664, 5651, 5830, 11302, 11660, 22604, 23320, 28255, 45208, 56510, 62161, 113020, 124322, 226040, 248644, 299503, 310805, 497288, 599006, 621610, 1198012, 1243220, 1497515, 2396024, 2486440, 2995030, 3294533, 5990060, 6589066, 11980120, 13178132, 16472665, 26356264, 32945330, 65890660, 131781320]

約数ペア:

[(1, 131781320), (2, 65890660), (4, 32945330), (5, 26356264), (8, 16472665), (10, 13178132), (11, 11980120), (20, 6589066), (22, 5990060), (40, 3294533), (44, 2995030), (53, 2486440), (55, 2396024), (88, 1497515), (106, 1243220), (110, 1198012), (212, 621610), (220, 599006), (265, 497288), (424, 310805), (440, 299503), (530, 248644), (583, 226040), (1060, 124322), (1166, 113020), (2120, 62161), (2332, 56510), (2915, 45208), (4664, 28255), (5651, 23320), (5830, 22604), (11302, 11660)]