2149360

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 5084496

約数和(自身を除く): 2935136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 401, 536, 670, 802, 1072, 1340, 1604, 2005, 2680, 3208, 4010, 5360, 6416, 8020, 16040, 26867, 32080, 53734, 107468, 134335, 214936, 268670, 429872, 537340, 1074680, 2149360]

約数ペア:

[(1, 2149360), (2, 1074680), (4, 537340), (5, 429872), (8, 268670), (10, 214936), (16, 134335), (20, 107468), (40, 53734), (67, 32080), (80, 26867), (134, 16040), (268, 8020), (335, 6416), (401, 5360), (536, 4010), (670, 3208), (802, 2680), (1072, 2005), (1340, 1604)]