129354520

素因数分解:

$2^3\times 5^1\times {\mathrm{3233863}}^1$

素因数の和:3233874

約数の個数: 16

約数和(自身を含む): 291047760

約数和(自身を除く): 161693240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3233863, 6467726, 12935452, 16169315, 25870904, 32338630, 64677260, 129354520]

約数ペア:

[(1, 129354520), (2, 64677260), (4, 32338630), (5, 25870904), (8, 16169315), (10, 12935452), (20, 6467726), (40, 3233863)]