86509420

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{3943}}^1$

素因数の和:5049

約数の個数: 24

約数和(自身を含む): 181881504

約数和(自身を除く): 95372084

約数列:

[1, 2, 4, 5, 10, 20, 1097, 2194, 3943, 4388, 5485, 7886, 10970, 15772, 19715, 21940, 39430, 78860, 4325471, 8650942, 17301884, 21627355, 43254710, 86509420]

約数ペア:

[(1, 86509420), (2, 43254710), (4, 21627355), (5, 17301884), (10, 8650942), (20, 4325471), (1097, 78860), (2194, 39430), (3943, 21940), (4388, 19715), (5485, 15772), (7886, 10970)]