889248620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3420187}}^1$

素因数の和:3420209

約数の個数: 24

約数和(自身を含む): 2011070544

約数和(自身を除く): 1121821924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3420187, 6840374, 13680748, 17100935, 34201870, 44462431, 68403740, 88924862, 177849724, 222312155, 444624310, 889248620]

約数ペア:

[(1, 889248620), (2, 444624310), (4, 222312155), (5, 177849724), (10, 88924862), (13, 68403740), (20, 44462431), (26, 34201870), (52, 17100935), (65, 13680748), (130, 6840374), (260, 3420187)]