12885440

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:685

約数の個数: 56

約数和(自身を含む): 31193232

約数和(自身を除く): 18307792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 601, 670, 1072, 1202, 1340, 2144, 2404, 2680, 3005, 4288, 4808, 5360, 6010, 9616, 10720, 12020, 19232, 21440, 24040, 38464, 40267, 48080, 80534, 96160, 161068, 192320, 201335, 322136, 402670, 644272, 805340, 1288544, 1610680, 2577088, 3221360, 6442720, 12885440]

約数ペア:

[(1, 12885440), (2, 6442720), (4, 3221360), (5, 2577088), (8, 1610680), (10, 1288544), (16, 805340), (20, 644272), (32, 402670), (40, 322136), (64, 201335), (67, 192320), (80, 161068), (134, 96160), (160, 80534), (268, 48080), (320, 40267), (335, 38464), (536, 24040), (601, 21440), (670, 19232), (1072, 12020), (1202, 10720), (1340, 9616), (2144, 6010), (2404, 5360), (2680, 4808), (3005, 4288)]