2079391340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257989}}^1$

素因数の和:258042

約数の個数: 48

約数和(自身を含む): 4854339840

約数和(自身を除く): 2774948500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 257989, 515978, 1031956, 1289945, 2579890, 3353857, 5159780, 6707714, 7997659, 13415428, 15995318, 16769285, 31990636, 33538570, 39988295, 67077140, 79976590, 103969567, 159953180, 207939134, 415878268, 519847835, 1039695670, 2079391340]

約数ペア:

[(1, 2079391340), (2, 1039695670), (4, 519847835), (5, 415878268), (10, 207939134), (13, 159953180), (20, 103969567), (26, 79976590), (31, 67077140), (52, 39988295), (62, 33538570), (65, 31990636), (124, 16769285), (130, 15995318), (155, 13415428), (260, 7997659), (310, 6707714), (403, 5159780), (620, 3353857), (806, 2579890), (1612, 1289945), (2015, 1031956), (4030, 515978), (8060, 257989)]