51110000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 100

約数和(自身を含む): 130739400

約数和(自身を除く): 79629400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 269, 304, 380, 400, 475, 500, 538, 625, 760, 950, 1000, 1076, 1250, 1345, 1520, 1900, 2000, 2152, 2375, 2500, 2690, 3800, 4304, 4750, 5000, 5111, 5380, 6725, 7600, 9500, 10000, 10222, 10760, 11875, 13450, 19000, 20444, 21520, 23750, 25555, 26900, 33625, 38000, 40888, 47500, 51110, 53800, 67250, 81776, 95000, 102220, 107600, 127775, 134500, 168125, 190000, 204440, 255550, 269000, 336250, 408880, 511100, 538000, 638875, 672500, 1022200, 1277750, 1345000, 2044400, 2555500, 2690000, 3194375, 5111000, 6388750, 10222000, 12777500, 25555000, 51110000]

約数ペア:

[(1, 51110000), (2, 25555000), (4, 12777500), (5, 10222000), (8, 6388750), (10, 5111000), (16, 3194375), (19, 2690000), (20, 2555500), (25, 2044400), (38, 1345000), (40, 1277750), (50, 1022200), (76, 672500), (80, 638875), (95, 538000), (100, 511100), (125, 408880), (152, 336250), (190, 269000), (200, 255550), (250, 204440), (269, 190000), (304, 168125), (380, 134500), (400, 127775), (475, 107600), (500, 102220), (538, 95000), (625, 81776), (760, 67250), (950, 53800), (1000, 51110), (1076, 47500), (1250, 40888), (1345, 38000), (1520, 33625), (1900, 26900), (2000, 25555), (2152, 23750), (2375, 21520), (2500, 20444), (2690, 19000), (3800, 13450), (4304, 11875), (4750, 10760), (5000, 10222), (5111, 10000), (5380, 9500), (6725, 7600)]