39204340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{280031}}^1$

素因数の和:280047

約数の個数: 24

約数和(自身を含む): 94090752

約数和(自身を除く): 54886412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 280031, 560062, 1120124, 1400155, 1960217, 2800310, 3920434, 5600620, 7840868, 9801085, 19602170, 39204340]

約数ペア:

[(1, 39204340), (2, 19602170), (4, 9801085), (5, 7840868), (7, 5600620), (10, 3920434), (14, 2800310), (20, 1960217), (28, 1400155), (35, 1120124), (70, 560062), (140, 280031)]