80591380

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{4691}}^1$

素因数の和:5559

約数の個数: 24

約数和(自身を含む): 169475040

約数和(自身を除く): 88883660

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 4691, 8590, 9382, 17180, 18764, 23455, 46910, 93820, 4029569, 8059138, 16118276, 20147845, 40295690, 80591380]

約数ペア:

[(1, 80591380), (2, 40295690), (4, 20147845), (5, 16118276), (10, 8059138), (20, 4029569), (859, 93820), (1718, 46910), (3436, 23455), (4295, 18764), (4691, 17180), (8590, 9382)]