39979480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9341}}^1$

素因数の和:9459

約数の個数: 32

約数和(自身を含む): 90804240

約数和(自身を除く): 50824760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 9341, 18682, 37364, 46705, 74728, 93410, 186820, 373640, 999487, 1998974, 3997948, 4997435, 7995896, 9994870, 19989740, 39979480]

約数ペア:

[(1, 39979480), (2, 19989740), (4, 9994870), (5, 7995896), (8, 4997435), (10, 3997948), (20, 1998974), (40, 999487), (107, 373640), (214, 186820), (428, 93410), (535, 74728), (856, 46705), (1070, 37364), (2140, 18682), (4280, 9341)]