80945080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14771}}^1$

素因数の和:14919

約数の個数: 32

約数和(自身を含む): 183468240

約数和(自身を除く): 102523160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14771, 29542, 59084, 73855, 118168, 147710, 295420, 590840, 2023627, 4047254, 8094508, 10118135, 16189016, 20236270, 40472540, 80945080]

約数ペア:

[(1, 80945080), (2, 40472540), (4, 20236270), (5, 16189016), (8, 10118135), (10, 8094508), (20, 4047254), (40, 2023627), (137, 590840), (274, 295420), (548, 147710), (685, 118168), (1096, 73855), (1370, 59084), (2740, 29542), (5480, 14771)]