66956240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64381}}^1$

素因数の和:64407

約数の個数: 40

約数和(自身を含む): 167650728

約数和(自身を除く): 100694488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 64381, 128762, 257524, 321905, 515048, 643810, 836953, 1030096, 1287620, 1673906, 2575240, 3347812, 4184765, 5150480, 6695624, 8369530, 13391248, 16739060, 33478120, 66956240]

約数ペア:

[(1, 66956240), (2, 33478120), (4, 16739060), (5, 13391248), (8, 8369530), (10, 6695624), (13, 5150480), (16, 4184765), (20, 3347812), (26, 2575240), (40, 1673906), (52, 1287620), (65, 1030096), (80, 836953), (104, 643810), (130, 515048), (208, 321905), (260, 257524), (520, 128762), (1040, 64381)]