51187840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 96

約数和(自身を含む): 134710380

約数和(自身を除く): 83522540

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 605, 640, 661, 704, 880, 968, 1210, 1322, 1408, 1760, 1936, 2420, 2644, 3305, 3520, 3872, 4840, 5288, 6610, 7040, 7271, 7744, 9680, 10576, 13220, 14542, 15488, 19360, 21152, 26440, 29084, 36355, 38720, 42304, 52880, 58168, 72710, 77440, 79981, 84608, 105760, 116336, 145420, 159962, 211520, 232672, 290840, 319924, 399905, 423040, 465344, 581680, 639848, 799810, 930688, 1163360, 1279696, 1599620, 2326720, 2559392, 3199240, 4653440, 5118784, 6398480, 10237568, 12796960, 25593920, 51187840]

約数ペア:

[(1, 51187840), (2, 25593920), (4, 12796960), (5, 10237568), (8, 6398480), (10, 5118784), (11, 4653440), (16, 3199240), (20, 2559392), (22, 2326720), (32, 1599620), (40, 1279696), (44, 1163360), (55, 930688), (64, 799810), (80, 639848), (88, 581680), (110, 465344), (121, 423040), (128, 399905), (160, 319924), (176, 290840), (220, 232672), (242, 211520), (320, 159962), (352, 145420), (440, 116336), (484, 105760), (605, 84608), (640, 79981), (661, 77440), (704, 72710), (880, 58168), (968, 52880), (1210, 42304), (1322, 38720), (1408, 36355), (1760, 29084), (1936, 26440), (2420, 21152), (2644, 19360), (3305, 15488), (3520, 14542), (3872, 13220), (4840, 10576), (5288, 9680), (6610, 7744), (7040, 7271)]