20161278160

素因数分解:

$2^4\times 5^1\times {\mathrm{8293}}^1\times {\mathrm{30389}}^1$

素因数の和:38695

約数の個数: 40

約数和(自身を含む): 46882166760

約数和(自身を除く): 26720888600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8293, 16586, 30389, 33172, 41465, 60778, 66344, 82930, 121556, 132688, 151945, 165860, 243112, 303890, 331720, 486224, 607780, 663440, 1215560, 2431120, 252015977, 504031954, 1008063908, 1260079885, 2016127816, 2520159770, 4032255632, 5040319540, 10080639080, 20161278160]

約数ペア:

[(1, 20161278160), (2, 10080639080), (4, 5040319540), (5, 4032255632), (8, 2520159770), (10, 2016127816), (16, 1260079885), (20, 1008063908), (40, 504031954), (80, 252015977), (8293, 2431120), (16586, 1215560), (30389, 663440), (33172, 607780), (41465, 486224), (60778, 331720), (66344, 303890), (82930, 243112), (121556, 165860), (132688, 151945)]