39965488

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{60923}}^1$

素因数の和:60972

約数の個数: 20

約数和(自身を含む): 79323048

約数和(自身を除く): 39357560

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 60923, 121846, 243692, 487384, 974768, 2497843, 4995686, 9991372, 19982744, 39965488]

約数ペア:

[(1, 39965488), (2, 19982744), (4, 9991372), (8, 4995686), (16, 2497843), (41, 974768), (82, 487384), (164, 243692), (328, 121846), (656, 60923)]