261694040

素因数分解:

$2^3\times 5^1\times {\mathrm{6542351}}^1$

素因数の和:6542362

約数の個数: 16

約数和(自身を含む): 588811680

約数和(自身を除く): 327117640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6542351, 13084702, 26169404, 32711755, 52338808, 65423510, 130847020, 261694040]

約数ペア:

[(1, 261694040), (2, 130847020), (4, 65423510), (5, 52338808), (8, 32711755), (10, 26169404), (20, 13084702), (40, 6542351)]