81363460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{60719}}^1$

素因数の和:60795

約数の個数: 24

約数和(自身を含む): 173416320

約数和(自身を除く): 92052860

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 60719, 121438, 242876, 303595, 607190, 1214380, 4068173, 8136346, 16272692, 20340865, 40681730, 81363460]

約数ペア:

[(1, 81363460), (2, 40681730), (4, 20340865), (5, 16272692), (10, 8136346), (20, 4068173), (67, 1214380), (134, 607190), (268, 303595), (335, 242876), (670, 121438), (1340, 60719)]