16856478080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{10181}}^1$

素因数の和:10412

約数の個数: 128

約数和(自身を含む): 43619688000

約数和(自身を除く): 26763209920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 199, 208, 260, 320, 398, 416, 520, 640, 796, 832, 995, 1040, 1592, 1664, 1990, 2080, 2587, 3184, 3980, 4160, 5174, 6368, 7960, 8320, 10181, 10348, 12736, 12935, 15920, 20362, 20696, 25472, 25870, 31840, 40724, 41392, 50905, 51740, 63680, 81448, 82784, 101810, 103480, 127360, 132353, 162896, 165568, 203620, 206960, 264706, 325792, 331136, 407240, 413920, 529412, 651584, 661765, 814480, 827840, 1058824, 1303168, 1323530, 1628960, 1655680, 2026019, 2117648, 2647060, 3257920, 4052038, 4235296, 5294120, 6515840, 8104076, 8470592, 10130095, 10588240, 16208152, 16941184, 20260190, 21176480, 26338247, 32416304, 40520380, 42352960, 52676494, 64832608, 81040760, 84705920, 105352988, 129665216, 131691235, 162081520, 210705976, 259330432, 263382470, 324163040, 421411952, 526764940, 648326080, 842823904, 1053529880, 1296652160, 1685647808, 2107059760, 3371295616, 4214119520, 8428239040, 16856478080]

約数ペア:

[(1, 16856478080), (2, 8428239040), (4, 4214119520), (5, 3371295616), (8, 2107059760), (10, 1685647808), (13, 1296652160), (16, 1053529880), (20, 842823904), (26, 648326080), (32, 526764940), (40, 421411952), (52, 324163040), (64, 263382470), (65, 259330432), (80, 210705976), (104, 162081520), (128, 131691235), (130, 129665216), (160, 105352988), (199, 84705920), (208, 81040760), (260, 64832608), (320, 52676494), (398, 42352960), (416, 40520380), (520, 32416304), (640, 26338247), (796, 21176480), (832, 20260190), (995, 16941184), (1040, 16208152), (1592, 10588240), (1664, 10130095), (1990, 8470592), (2080, 8104076), (2587, 6515840), (3184, 5294120), (3980, 4235296), (4160, 4052038), (5174, 3257920), (6368, 2647060), (7960, 2117648), (8320, 2026019), (10181, 1655680), (10348, 1628960), (12736, 1323530), (12935, 1303168), (15920, 1058824), (20362, 827840), (20696, 814480), (25472, 661765), (25870, 651584), (31840, 529412), (40724, 413920), (41392, 407240), (50905, 331136), (51740, 325792), (63680, 264706), (81448, 206960), (82784, 203620), (101810, 165568), (103480, 162896), (127360, 132353)]