131722040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46381}}^1$

素因数の和:46463

約数の個数: 32

約数和(自身を含む): 300555360

約数和(自身を除く): 168833320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 46381, 92762, 185524, 231905, 371048, 463810, 927620, 1855240, 3293051, 6586102, 13172204, 16465255, 26344408, 32930510, 65861020, 131722040]

約数ペア:

[(1, 131722040), (2, 65861020), (4, 32930510), (5, 26344408), (8, 16465255), (10, 13172204), (20, 6586102), (40, 3293051), (71, 1855240), (142, 927620), (284, 463810), (355, 371048), (568, 231905), (710, 185524), (1420, 92762), (2840, 46381)]