51897560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 141039360

約数和(自身を除く): 89141800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 43, 44, 52, 55, 65, 86, 88, 104, 110, 130, 143, 172, 211, 215, 220, 260, 286, 344, 422, 430, 440, 473, 520, 559, 572, 715, 844, 860, 946, 1055, 1118, 1144, 1430, 1688, 1720, 1892, 2110, 2236, 2321, 2365, 2743, 2795, 2860, 3784, 4220, 4472, 4642, 4730, 5486, 5590, 5720, 6149, 8440, 9073, 9284, 9460, 10972, 11180, 11605, 12298, 13715, 18146, 18568, 18920, 21944, 22360, 23210, 24596, 27430, 30173, 30745, 36292, 45365, 46420, 49192, 54860, 60346, 61490, 72584, 90730, 92840, 99803, 109720, 117949, 120692, 122980, 150865, 181460, 199606, 235898, 241384, 245960, 301730, 362920, 399212, 471796, 499015, 589745, 603460, 798424, 943592, 998030, 1179490, 1206920, 1297439, 1996060, 2358980, 2594878, 3992120, 4717960, 5189756, 6487195, 10379512, 12974390, 25948780, 51897560]

約数ペア:

[(1, 51897560), (2, 25948780), (4, 12974390), (5, 10379512), (8, 6487195), (10, 5189756), (11, 4717960), (13, 3992120), (20, 2594878), (22, 2358980), (26, 1996060), (40, 1297439), (43, 1206920), (44, 1179490), (52, 998030), (55, 943592), (65, 798424), (86, 603460), (88, 589745), (104, 499015), (110, 471796), (130, 399212), (143, 362920), (172, 301730), (211, 245960), (215, 241384), (220, 235898), (260, 199606), (286, 181460), (344, 150865), (422, 122980), (430, 120692), (440, 117949), (473, 109720), (520, 99803), (559, 92840), (572, 90730), (715, 72584), (844, 61490), (860, 60346), (946, 54860), (1055, 49192), (1118, 46420), (1144, 45365), (1430, 36292), (1688, 30745), (1720, 30173), (1892, 27430), (2110, 24596), (2236, 23210), (2321, 22360), (2365, 21944), (2743, 18920), (2795, 18568), (2860, 18146), (3784, 13715), (4220, 12298), (4472, 11605), (4642, 11180), (4730, 10972), (5486, 9460), (5590, 9284), (5720, 9073), (6149, 8440)]