80119240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28211}}^1$

素因数の和:28293

約数の個数: 32

約数和(自身を含む): 182813760

約数和(自身を除く): 102694520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 28211, 56422, 112844, 141055, 225688, 282110, 564220, 1128440, 2002981, 4005962, 8011924, 10014905, 16023848, 20029810, 40059620, 80119240]

約数ペア:

[(1, 80119240), (2, 40059620), (4, 20029810), (5, 16023848), (8, 10014905), (10, 8011924), (20, 4005962), (40, 2002981), (71, 1128440), (142, 564220), (284, 282110), (355, 225688), (568, 141055), (710, 112844), (1420, 56422), (2840, 28211)]