209580340

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{16607}}^1$

素因数の和:17247

約数の個数: 24

約数和(自身を含む): 440842752

約数和(自身を除く): 231262412

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 16607, 33214, 66428, 83035, 166070, 332140, 10479017, 20958034, 41916068, 52395085, 104790170, 209580340]

約数ペア:

[(1, 209580340), (2, 104790170), (4, 52395085), (5, 41916068), (10, 20958034), (20, 10479017), (631, 332140), (1262, 166070), (2524, 83035), (3155, 66428), (6310, 33214), (12620, 16607)]