22247920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 54246528

約数和(自身を除く): 31998608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 97, 122, 188, 194, 235, 244, 305, 376, 388, 470, 485, 488, 610, 752, 776, 940, 970, 976, 1220, 1552, 1880, 1940, 2440, 2867, 3760, 3880, 4559, 4880, 5734, 5917, 7760, 9118, 11468, 11834, 14335, 18236, 22795, 22936, 23668, 28670, 29585, 36472, 45590, 45872, 47336, 57340, 59170, 72944, 91180, 94672, 114680, 118340, 182360, 229360, 236680, 278099, 364720, 473360, 556198, 1112396, 1390495, 2224792, 2780990, 4449584, 5561980, 11123960, 22247920]

約数ペア:

[(1, 22247920), (2, 11123960), (4, 5561980), (5, 4449584), (8, 2780990), (10, 2224792), (16, 1390495), (20, 1112396), (40, 556198), (47, 473360), (61, 364720), (80, 278099), (94, 236680), (97, 229360), (122, 182360), (188, 118340), (194, 114680), (235, 94672), (244, 91180), (305, 72944), (376, 59170), (388, 57340), (470, 47336), (485, 45872), (488, 45590), (610, 36472), (752, 29585), (776, 28670), (940, 23668), (970, 22936), (976, 22795), (1220, 18236), (1552, 14335), (1880, 11834), (1940, 11468), (2440, 9118), (2867, 7760), (3760, 5917), (3880, 5734), (4559, 4880)]