12357880

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1361}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 27948240

約数和(自身を除く): 15590360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1361, 1816, 2270, 2722, 4540, 5444, 6805, 9080, 10888, 13610, 27220, 54440, 308947, 617894, 1235788, 1544735, 2471576, 3089470, 6178940, 12357880]

約数ペア:

[(1, 12357880), (2, 6178940), (4, 3089470), (5, 2471576), (8, 1544735), (10, 1235788), (20, 617894), (40, 308947), (227, 54440), (454, 27220), (908, 13610), (1135, 10888), (1361, 9080), (1816, 6805), (2270, 5444), (2722, 4540)]