19417894240

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1\times {\mathrm{2081}}^1$

素因数の和:4136

約数の個数: 96

約数和(自身を含む): 47503078560

約数和(自身を除く): 28085184320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2011, 2081, 2320, 4022, 4162, 4640, 8044, 8324, 10055, 10405, 16088, 16648, 20110, 20810, 32176, 33296, 40220, 41620, 58319, 60349, 64352, 66592, 80440, 83240, 116638, 120698, 160880, 166480, 233276, 241396, 291595, 301745, 321760, 332960, 466552, 482792, 583190, 603490, 933104, 965584, 1166380, 1206980, 1866208, 1931168, 2332760, 2413960, 4184891, 4665520, 4827920, 8369782, 9331040, 9655840, 16739564, 20924455, 33479128, 41848910, 66958256, 83697820, 121361839, 133916512, 167395640, 242723678, 334791280, 485447356, 606809195, 669582560, 970894712, 1213618390, 1941789424, 2427236780, 3883578848, 4854473560, 9708947120, 19417894240]

約数ペア:

[(1, 19417894240), (2, 9708947120), (4, 4854473560), (5, 3883578848), (8, 2427236780), (10, 1941789424), (16, 1213618390), (20, 970894712), (29, 669582560), (32, 606809195), (40, 485447356), (58, 334791280), (80, 242723678), (116, 167395640), (145, 133916512), (160, 121361839), (232, 83697820), (290, 66958256), (464, 41848910), (580, 33479128), (928, 20924455), (1160, 16739564), (2011, 9655840), (2081, 9331040), (2320, 8369782), (4022, 4827920), (4162, 4665520), (4640, 4184891), (8044, 2413960), (8324, 2332760), (10055, 1931168), (10405, 1866208), (16088, 1206980), (16648, 1166380), (20110, 965584), (20810, 933104), (32176, 603490), (33296, 583190), (40220, 482792), (41620, 466552), (58319, 332960), (60349, 321760), (64352, 301745), (66592, 291595), (80440, 241396), (83240, 233276), (116638, 166480), (120698, 160880)]