51509600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 108

約数和(自身を含む): 131874372

約数和(自身を除く): 80364772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 67, 80, 100, 124, 134, 155, 160, 200, 248, 268, 310, 335, 400, 496, 536, 620, 670, 775, 800, 961, 992, 1072, 1240, 1340, 1550, 1675, 1922, 2077, 2144, 2480, 2680, 3100, 3350, 3844, 4154, 4805, 4960, 5360, 6200, 6700, 7688, 8308, 9610, 10385, 10720, 12400, 13400, 15376, 16616, 19220, 20770, 24025, 24800, 26800, 30752, 33232, 38440, 41540, 48050, 51925, 53600, 64387, 66464, 76880, 83080, 96100, 103850, 128774, 153760, 166160, 192200, 207700, 257548, 321935, 332320, 384400, 415400, 515096, 643870, 768800, 830800, 1030192, 1287740, 1609675, 1661600, 2060384, 2575480, 3219350, 5150960, 6438700, 10301920, 12877400, 25754800, 51509600]

約数ペア:

[(1, 51509600), (2, 25754800), (4, 12877400), (5, 10301920), (8, 6438700), (10, 5150960), (16, 3219350), (20, 2575480), (25, 2060384), (31, 1661600), (32, 1609675), (40, 1287740), (50, 1030192), (62, 830800), (67, 768800), (80, 643870), (100, 515096), (124, 415400), (134, 384400), (155, 332320), (160, 321935), (200, 257548), (248, 207700), (268, 192200), (310, 166160), (335, 153760), (400, 128774), (496, 103850), (536, 96100), (620, 83080), (670, 76880), (775, 66464), (800, 64387), (961, 53600), (992, 51925), (1072, 48050), (1240, 41540), (1340, 38440), (1550, 33232), (1675, 30752), (1922, 26800), (2077, 24800), (2144, 24025), (2480, 20770), (2680, 19220), (3100, 16616), (3350, 15376), (3844, 13400), (4154, 12400), (4805, 10720), (4960, 10385), (5360, 9610), (6200, 8308), (6700, 7688)]