66293860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25303}}^1$

素因数の和:25443

約数の個数: 24

約数和(自身を含む): 140285376

約数和(自身を除く): 73991516

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 25303, 50606, 101212, 126515, 253030, 506060, 3314693, 6629386, 13258772, 16573465, 33146930, 66293860]

約数ペア:

[(1, 66293860), (2, 33146930), (4, 16573465), (5, 13258772), (10, 6629386), (20, 3314693), (131, 506060), (262, 253030), (524, 126515), (655, 101212), (1310, 50606), (2620, 25303)]