7984240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 20820096

約数和(自身を除く): 12835856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 211, 215, 220, 344, 422, 430, 440, 473, 688, 844, 860, 880, 946, 1055, 1688, 1720, 1892, 2110, 2321, 2365, 3376, 3440, 3784, 4220, 4642, 4730, 7568, 8440, 9073, 9284, 9460, 11605, 16880, 18146, 18568, 18920, 23210, 36292, 37136, 37840, 45365, 46420, 72584, 90730, 92840, 99803, 145168, 181460, 185680, 199606, 362920, 399212, 499015, 725840, 798424, 998030, 1596848, 1996060, 3992120, 7984240]

約数ペア:

[(1, 7984240), (2, 3992120), (4, 1996060), (5, 1596848), (8, 998030), (10, 798424), (11, 725840), (16, 499015), (20, 399212), (22, 362920), (40, 199606), (43, 185680), (44, 181460), (55, 145168), (80, 99803), (86, 92840), (88, 90730), (110, 72584), (172, 46420), (176, 45365), (211, 37840), (215, 37136), (220, 36292), (344, 23210), (422, 18920), (430, 18568), (440, 18146), (473, 16880), (688, 11605), (844, 9460), (860, 9284), (880, 9073), (946, 8440), (1055, 7568), (1688, 4730), (1720, 4642), (1892, 4220), (2110, 3784), (2321, 3440), (2365, 3376)]