87886580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{65587}}^1$

素因数の和:65663

約数の個数: 24

約数和(自身を含む): 187319328

約数和(自身を除く): 99432748

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 65587, 131174, 262348, 327935, 655870, 1311740, 4394329, 8788658, 17577316, 21971645, 43943290, 87886580]

約数ペア:

[(1, 87886580), (2, 43943290), (4, 21971645), (5, 17577316), (10, 8788658), (20, 4394329), (67, 1311740), (134, 655870), (268, 327935), (335, 262348), (670, 131174), (1340, 65587)]