87971140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{231503}}^1$

素因数の和:231531

約数の個数: 24

約数和(自身を含む): 194463360

約数和(自身を除く): 106492220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 231503, 463006, 926012, 1157515, 2315030, 4398557, 4630060, 8797114, 17594228, 21992785, 43985570, 87971140]

約数ペア:

[(1, 87971140), (2, 43985570), (4, 21992785), (5, 17594228), (10, 8797114), (19, 4630060), (20, 4398557), (38, 2315030), (76, 1157515), (95, 926012), (190, 463006), (380, 231503)]