20138026040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{73939}}^1$

素因数の和:74580

約数の個数: 64

約数和(自身を含む): 49510224000

約数和(自身を除く): 29372197960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 619, 1238, 2476, 3095, 4952, 6190, 6809, 12380, 13618, 24760, 27236, 34045, 54472, 68090, 73939, 136180, 147878, 272360, 295756, 369695, 591512, 739390, 813329, 1478780, 1626658, 2957560, 3253316, 4066645, 6506632, 8133290, 16266580, 32533160, 45768241, 91536482, 183072964, 228841205, 366145928, 457682410, 503450651, 915364820, 1006901302, 1830729640, 2013802604, 2517253255, 4027605208, 5034506510, 10069013020, 20138026040]

約数ペア:

[(1, 20138026040), (2, 10069013020), (4, 5034506510), (5, 4027605208), (8, 2517253255), (10, 2013802604), (11, 1830729640), (20, 1006901302), (22, 915364820), (40, 503450651), (44, 457682410), (55, 366145928), (88, 228841205), (110, 183072964), (220, 91536482), (440, 45768241), (619, 32533160), (1238, 16266580), (2476, 8133290), (3095, 6506632), (4952, 4066645), (6190, 3253316), (6809, 2957560), (12380, 1626658), (13618, 1478780), (24760, 813329), (27236, 739390), (34045, 591512), (54472, 369695), (68090, 295756), (73939, 272360), (136180, 147878)]