19960600

素因数分解:

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

素因数の和:281

約数の個数: 96

約数和(自身を含む): 52050240

約数和(自身を除く): 32089640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 55, 86, 88, 100, 110, 172, 200, 211, 215, 220, 275, 344, 422, 430, 440, 473, 550, 844, 860, 946, 1055, 1075, 1100, 1688, 1720, 1892, 2110, 2150, 2200, 2321, 2365, 3784, 4220, 4300, 4642, 4730, 5275, 8440, 8600, 9073, 9284, 9460, 10550, 11605, 11825, 18146, 18568, 18920, 21100, 23210, 23650, 36292, 42200, 45365, 46420, 47300, 58025, 72584, 90730, 92840, 94600, 99803, 116050, 181460, 199606, 226825, 232100, 362920, 399212, 453650, 464200, 499015, 798424, 907300, 998030, 1814600, 1996060, 2495075, 3992120, 4990150, 9980300, 19960600]

約数ペア:

[(1, 19960600), (2, 9980300), (4, 4990150), (5, 3992120), (8, 2495075), (10, 1996060), (11, 1814600), (20, 998030), (22, 907300), (25, 798424), (40, 499015), (43, 464200), (44, 453650), (50, 399212), (55, 362920), (86, 232100), (88, 226825), (100, 199606), (110, 181460), (172, 116050), (200, 99803), (211, 94600), (215, 92840), (220, 90730), (275, 72584), (344, 58025), (422, 47300), (430, 46420), (440, 45365), (473, 42200), (550, 36292), (844, 23650), (860, 23210), (946, 21100), (1055, 18920), (1075, 18568), (1100, 18146), (1688, 11825), (1720, 11605), (1892, 10550), (2110, 9460), (2150, 9284), (2200, 9073), (2321, 8600), (2365, 8440), (3784, 5275), (4220, 4730), (4300, 4642)]