91716440

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{3407}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 206729280

約数和(自身を除く): 115012840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 3407, 5384, 6730, 6814, 13460, 13628, 17035, 26920, 27256, 34070, 68140, 136280, 2292911, 4585822, 9171644, 11464555, 18343288, 22929110, 45858220, 91716440]

約数ペア:

[(1, 91716440), (2, 45858220), (4, 22929110), (5, 18343288), (8, 11464555), (10, 9171644), (20, 4585822), (40, 2292911), (673, 136280), (1346, 68140), (2692, 34070), (3365, 27256), (3407, 26920), (5384, 17035), (6730, 13628), (6814, 13460)]