8749646980

素因数分解:

$2^2\times 5^1\times {\mathrm{437482349}}^1$

素因数の和:437482358

約数の個数: 12

約数和(自身を含む): 18374258700

約数和(自身を除く): 9624611720

約数列:

[1, 2, 4, 5, 10, 20, 437482349, 874964698, 1749929396, 2187411745, 4374823490, 8749646980]

約数ペア:

[(1, 8749646980), (2, 4374823490), (4, 2187411745), (5, 1749929396), (10, 874964698), (20, 437482349)]