205492780

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{17807}}^1$

素因数の和:18393

約数の個数: 24

約数和(自身を含む): 432307008

約数和(自身を除く): 226814228

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 2308, 2885, 5770, 11540, 17807, 35614, 71228, 89035, 178070, 356140, 10274639, 20549278, 41098556, 51373195, 102746390, 205492780]

約数ペア:

[(1, 205492780), (2, 102746390), (4, 51373195), (5, 41098556), (10, 20549278), (20, 10274639), (577, 356140), (1154, 178070), (2308, 89035), (2885, 71228), (5770, 35614), (11540, 17807)]