21943005040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{182009}}^1$

素因数の和:182170

約数の個数: 80

約数和(自身を含む): 56061992160

約数和(自身を除く): 34118987120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 548, 685, 880, 1096, 1370, 1507, 2192, 2740, 3014, 5480, 6028, 7535, 10960, 12056, 15070, 24112, 30140, 60280, 120560, 182009, 364018, 728036, 910045, 1456072, 1820090, 2002099, 2912144, 3640180, 4004198, 7280360, 8008396, 10010495, 14560720, 16016792, 20020990, 24935233, 32033584, 40041980, 49870466, 80083960, 99740932, 124676165, 160167920, 199481864, 249352330, 274287563, 398963728, 498704660, 548575126, 997409320, 1097150252, 1371437815, 1994818640, 2194300504, 2742875630, 4388601008, 5485751260, 10971502520, 21943005040]

約数ペア:

[(1, 21943005040), (2, 10971502520), (4, 5485751260), (5, 4388601008), (8, 2742875630), (10, 2194300504), (11, 1994818640), (16, 1371437815), (20, 1097150252), (22, 997409320), (40, 548575126), (44, 498704660), (55, 398963728), (80, 274287563), (88, 249352330), (110, 199481864), (137, 160167920), (176, 124676165), (220, 99740932), (274, 80083960), (440, 49870466), (548, 40041980), (685, 32033584), (880, 24935233), (1096, 20020990), (1370, 16016792), (1507, 14560720), (2192, 10010495), (2740, 8008396), (3014, 7280360), (5480, 4004198), (6028, 3640180), (7535, 2912144), (10960, 2002099), (12056, 1820090), (15070, 1456072), (24112, 910045), (30140, 728036), (60280, 364018), (120560, 182009)]