8161736180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31391293}}^1$

素因数の和:31391315

約数の個数: 24

約数和(自身を含む): 18458080872

約数和(自身を除く): 10296344692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31391293, 62782586, 125565172, 156956465, 313912930, 408086809, 627825860, 816173618, 1632347236, 2040434045, 4080868090, 8161736180]

約数ペア:

[(1, 8161736180), (2, 4080868090), (4, 2040434045), (5, 1632347236), (10, 816173618), (13, 627825860), (20, 408086809), (26, 313912930), (52, 156956465), (65, 125565172), (130, 62782586), (260, 31391293)]