12663160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1607}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 28654560

約数和(自身を除く): 15991400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1607, 1970, 3214, 3940, 6428, 7880, 8035, 12856, 16070, 32140, 64280, 316579, 633158, 1266316, 1582895, 2532632, 3165790, 6331580, 12663160]

約数ペア:

[(1, 12663160), (2, 6331580), (4, 3165790), (5, 2532632), (8, 1582895), (10, 1266316), (20, 633158), (40, 316579), (197, 64280), (394, 32140), (788, 16070), (985, 12856), (1576, 8035), (1607, 7880), (1970, 6428), (3214, 3940)]