1122920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 2570400

約数和(自身を除く): 1447480

約数列:

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

約数ペア:

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