20687392000

素因数分解:

$2^8\times 5^3\times {\mathrm{11}}^1\times {\mathrm{58771}}^1$

素因数の和:58813

約数の個数: 144

約数和(自身を含む): 56220825024

約数和(自身を除く): 35533433024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 256, 275, 320, 352, 400, 440, 500, 550, 640, 704, 800, 880, 1000, 1100, 1280, 1375, 1408, 1600, 1760, 2000, 2200, 2750, 2816, 3200, 3520, 4000, 4400, 5500, 6400, 7040, 8000, 8800, 11000, 14080, 16000, 17600, 22000, 32000, 35200, 44000, 58771, 70400, 88000, 117542, 176000, 235084, 293855, 352000, 470168, 587710, 646481, 940336, 1175420, 1292962, 1469275, 1880672, 2350840, 2585924, 2938550, 3232405, 3761344, 4701680, 5171848, 5877100, 6464810, 7346375, 7522688, 9403360, 10343696, 11754200, 12929620, 14692750, 15045376, 16162025, 18806720, 20687392, 23508400, 25859240, 29385500, 32324050, 37613440, 41374784, 47016800, 51718480, 58771000, 64648100, 75226880, 80810125, 82749568, 94033600, 103436960, 117542000, 129296200, 161620250, 165499136, 188067200, 206873920, 235084000, 258592400, 323240500, 376134400, 413747840, 470168000, 517184800, 646481000, 827495680, 940336000, 1034369600, 1292962000, 1880672000, 2068739200, 2585924000, 4137478400, 5171848000, 10343696000, 20687392000]

約数ペア:

[(1, 20687392000), (2, 10343696000), (4, 5171848000), (5, 4137478400), (8, 2585924000), (10, 2068739200), (11, 1880672000), (16, 1292962000), (20, 1034369600), (22, 940336000), (25, 827495680), (32, 646481000), (40, 517184800), (44, 470168000), (50, 413747840), (55, 376134400), (64, 323240500), (80, 258592400), (88, 235084000), (100, 206873920), (110, 188067200), (125, 165499136), (128, 161620250), (160, 129296200), (176, 117542000), (200, 103436960), (220, 94033600), (250, 82749568), (256, 80810125), (275, 75226880), (320, 64648100), (352, 58771000), (400, 51718480), (440, 47016800), (500, 41374784), (550, 37613440), (640, 32324050), (704, 29385500), (800, 25859240), (880, 23508400), (1000, 20687392), (1100, 18806720), (1280, 16162025), (1375, 15045376), (1408, 14692750), (1600, 12929620), (1760, 11754200), (2000, 10343696), (2200, 9403360), (2750, 7522688), (2816, 7346375), (3200, 6464810), (3520, 5877100), (4000, 5171848), (4400, 4701680), (5500, 3761344), (6400, 3232405), (7040, 2938550), (8000, 2585924), (8800, 2350840), (11000, 1880672), (14080, 1469275), (16000, 1292962), (17600, 1175420), (22000, 940336), (32000, 646481), (35200, 587710), (44000, 470168), (58771, 352000), (70400, 293855), (88000, 235084), (117542, 176000)]