81480498740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1352149}}^1$

素因数の和:1352312

約数の個数: 48

約数和(自身を含む): 179911670400

約数和(自身を除く): 98431171660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 460, 524, 655, 1310, 2620, 3013, 6026, 12052, 15065, 30130, 60260, 1352149, 2704298, 5408596, 6760745, 13521490, 27042980, 31099427, 62198854, 124397708, 155497135, 177131519, 310994270, 354263038, 621988540, 708526076, 885657595, 1771315190, 3542630380, 4074024937, 8148049874, 16296099748, 20370124685, 40740249370, 81480498740]

約数ペア:

[(1, 81480498740), (2, 40740249370), (4, 20370124685), (5, 16296099748), (10, 8148049874), (20, 4074024937), (23, 3542630380), (46, 1771315190), (92, 885657595), (115, 708526076), (131, 621988540), (230, 354263038), (262, 310994270), (460, 177131519), (524, 155497135), (655, 124397708), (1310, 62198854), (2620, 31099427), (3013, 27042980), (6026, 13521490), (12052, 6760745), (15065, 5408596), (30130, 2704298), (60260, 1352149)]