2245840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 5312160

約数和(自身を除く): 3066320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 419, 536, 670, 838, 1072, 1340, 1676, 2095, 2680, 3352, 4190, 5360, 6704, 8380, 16760, 28073, 33520, 56146, 112292, 140365, 224584, 280730, 449168, 561460, 1122920, 2245840]

約数ペア:

[(1, 2245840), (2, 1122920), (4, 561460), (5, 449168), (8, 280730), (10, 224584), (16, 140365), (20, 112292), (40, 56146), (67, 33520), (80, 28073), (134, 16760), (268, 8380), (335, 6704), (419, 5360), (536, 4190), (670, 3352), (838, 2680), (1072, 2095), (1340, 1676)]