12139540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{86711}}^1$

素因数の和:86727

約数の個数: 24

約数和(自身を含む): 29135232

約数和(自身を除く): 16995692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 86711, 173422, 346844, 433555, 606977, 867110, 1213954, 1734220, 2427908, 3034885, 6069770, 12139540]

約数ペア:

[(1, 12139540), (2, 6069770), (4, 3034885), (5, 2427908), (7, 1734220), (10, 1213954), (14, 867110), (20, 606977), (28, 433555), (35, 346844), (70, 173422), (140, 86711)]