253004560

素因数分解:

$2^4\times 5^1\times {\mathrm{3162557}}^1$

素因数の和:3162570

約数の個数: 20

約数和(自身を含む): 588235788

約数和(自身を除く): 335231228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3162557, 6325114, 12650228, 15812785, 25300456, 31625570, 50600912, 63251140, 126502280, 253004560]

約数ペア:

[(1, 253004560), (2, 126502280), (4, 63251140), (5, 50600912), (8, 31625570), (10, 25300456), (16, 15812785), (20, 12650228), (40, 6325114), (80, 3162557)]