11538140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4211}}^1$

素因数の和:4357

約数の個数: 24

約数和(自身を含む): 24412752

約数和(自身を除く): 12874612

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 4211, 8422, 16844, 21055, 42110, 84220, 576907, 1153814, 2307628, 2884535, 5769070, 11538140]

約数ペア:

[(1, 11538140), (2, 5769070), (4, 2884535), (5, 2307628), (10, 1153814), (20, 576907), (137, 84220), (274, 42110), (548, 21055), (685, 16844), (1370, 8422), (2740, 4211)]