3992120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 10074240

約数和(自身を除く): 6082120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 211, 215, 220, 344, 422, 430, 440, 473, 844, 860, 946, 1055, 1688, 1720, 1892, 2110, 2321, 2365, 3784, 4220, 4642, 4730, 8440, 9073, 9284, 9460, 11605, 18146, 18568, 18920, 23210, 36292, 45365, 46420, 72584, 90730, 92840, 99803, 181460, 199606, 362920, 399212, 499015, 798424, 998030, 1996060, 3992120]

約数ペア:

[(1, 3992120), (2, 1996060), (4, 998030), (5, 798424), (8, 499015), (10, 399212), (11, 362920), (20, 199606), (22, 181460), (40, 99803), (43, 92840), (44, 90730), (55, 72584), (86, 46420), (88, 45365), (110, 36292), (172, 23210), (211, 18920), (215, 18568), (220, 18146), (344, 11605), (422, 9460), (430, 9284), (440, 9073), (473, 8440), (844, 4730), (860, 4642), (946, 4220), (1055, 3784), (1688, 2365), (1720, 2321), (1892, 2110)]