4320290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 8467200

約数和(自身を除く): 4146910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 199, 334, 398, 835, 995, 1670, 1990, 2171, 2587, 4342, 5174, 10855, 12935, 21710, 25870, 33233, 66466, 166165, 332330, 432029, 864058, 2160145, 4320290]

約数ペア:

[(1, 4320290), (2, 2160145), (5, 864058), (10, 432029), (13, 332330), (26, 166165), (65, 66466), (130, 33233), (167, 25870), (199, 21710), (334, 12935), (398, 10855), (835, 5174), (995, 4342), (1670, 2587), (1990, 2171)]