65436680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11941}}^1$

素因数の和:12089

約数の個数: 32

約数和(自身を含む): 148319640

約数和(自身を除く): 82882960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 11941, 23882, 47764, 59705, 95528, 119410, 238820, 477640, 1635917, 3271834, 6543668, 8179585, 13087336, 16359170, 32718340, 65436680]

約数ペア:

[(1, 65436680), (2, 32718340), (4, 16359170), (5, 13087336), (8, 8179585), (10, 6543668), (20, 3271834), (40, 1635917), (137, 477640), (274, 238820), (548, 119410), (685, 95528), (1096, 59705), (1370, 47764), (2740, 23882), (5480, 11941)]