128460440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{47933}}^1$

素因数の和:48011

約数の個数: 32

約数和(自身を含む): 293356080

約数和(自身を除く): 164895640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 47933, 95866, 191732, 239665, 383464, 479330, 958660, 1917320, 3211511, 6423022, 12846044, 16057555, 25692088, 32115110, 64230220, 128460440]

約数ペア:

[(1, 128460440), (2, 64230220), (4, 32115110), (5, 25692088), (8, 16057555), (10, 12846044), (20, 6423022), (40, 3211511), (67, 1917320), (134, 958660), (268, 479330), (335, 383464), (536, 239665), (670, 191732), (1340, 95866), (2680, 47933)]