83840

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 201960

約数和(自身を除く): 118120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2620, 4192, 5240, 8384, 10480, 16768, 20960, 41920, 83840]

約数ペア:

[(1, 83840), (2, 41920), (4, 20960), (5, 16768), (8, 10480), (10, 8384), (16, 5240), (20, 4192), (32, 2620), (40, 2096), (64, 1310), (80, 1048), (128, 655), (131, 640), (160, 524), (262, 320)]