42548740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5279}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 99348480

約数和(自身を除く): 56799740

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, 5279, 8060, 10558, 21116, 26395, 52790, 68627, 105580, 137254, 163649, 274508, 327298, 343135, 654596, 686270, 818245, 1372540, 1636490, 2127437, 3272980, 4254874, 8509748, 10637185, 21274370, 42548740]

約数ペア:

[(1, 42548740), (2, 21274370), (4, 10637185), (5, 8509748), (10, 4254874), (13, 3272980), (20, 2127437), (26, 1636490), (31, 1372540), (52, 818245), (62, 686270), (65, 654596), (124, 343135), (130, 327298), (155, 274508), (260, 163649), (310, 137254), (403, 105580), (620, 68627), (806, 52790), (1612, 26395), (2015, 21116), (4030, 10558), (5279, 8060)]