81139160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{34381}}^1$

素因数の和:34451

約数の個数: 32

約数和(自身を含む): 185662800

約数和(自身を除く): 104523640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 34381, 68762, 137524, 171905, 275048, 343810, 687620, 1375240, 2028479, 4056958, 8113916, 10142395, 16227832, 20284790, 40569580, 81139160]

約数ペア:

[(1, 81139160), (2, 40569580), (4, 20284790), (5, 16227832), (8, 10142395), (10, 8113916), (20, 4056958), (40, 2028479), (59, 1375240), (118, 687620), (236, 343810), (295, 275048), (472, 171905), (590, 137524), (1180, 68762), (2360, 34381)]