87135640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{11287}}^1$

素因数の和:11491

約数の個数: 32

約数和(自身を含む): 197088480

約数和(自身を除く): 109952840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 11287, 22574, 45148, 56435, 90296, 112870, 225740, 451480, 2178391, 4356782, 8713564, 10891955, 17427128, 21783910, 43567820, 87135640]

約数ペア:

[(1, 87135640), (2, 43567820), (4, 21783910), (5, 17427128), (8, 10891955), (10, 8713564), (20, 4356782), (40, 2178391), (193, 451480), (386, 225740), (772, 112870), (965, 90296), (1544, 56435), (1930, 45148), (3860, 22574), (7720, 11287)]