11871560

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 26811000

約数和(自身を除く): 14939440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 661, 898, 1322, 1796, 2245, 2644, 3305, 3592, 4490, 5288, 6610, 8980, 13220, 17960, 26440, 296789, 593578, 1187156, 1483945, 2374312, 2967890, 5935780, 11871560]

約数ペア:

[(1, 11871560), (2, 5935780), (4, 2967890), (5, 2374312), (8, 1483945), (10, 1187156), (20, 593578), (40, 296789), (449, 26440), (661, 17960), (898, 13220), (1322, 8980), (1796, 6610), (2245, 5288), (2644, 4490), (3305, 3592)]