26657240

素因数分解:

$2^3\times 5^1\times {\mathrm{666431}}^1$

素因数の和:666442

約数の個数: 16

約数和(自身を含む): 59978880

約数和(自身を除く): 33321640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 666431, 1332862, 2665724, 3332155, 5331448, 6664310, 13328620, 26657240]

約数ペア:

[(1, 26657240), (2, 13328620), (4, 6664310), (5, 5331448), (8, 3332155), (10, 2665724), (20, 1332862), (40, 666431)]