139652440

素因数分解:

$2^3\times 5^1\times {\mathrm{3491311}}^1$

素因数の和:3491322

約数の個数: 16

約数和(自身を含む): 314218080

約数和(自身を除く): 174565640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3491311, 6982622, 13965244, 17456555, 27930488, 34913110, 69826220, 139652440]

約数ペア:

[(1, 139652440), (2, 69826220), (4, 34913110), (5, 27930488), (8, 17456555), (10, 13965244), (20, 6982622), (40, 3491311)]