39497980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18457}}^1$

素因数の和:18573

約数の個数: 24

約数和(自身を含む): 83725488

約数和(自身を除く): 44227508

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 18457, 36914, 73828, 92285, 184570, 369140, 1974899, 3949798, 7899596, 9874495, 19748990, 39497980]

約数ペア:

[(1, 39497980), (2, 19748990), (4, 9874495), (5, 7899596), (10, 3949798), (20, 1974899), (107, 369140), (214, 184570), (428, 92285), (535, 73828), (1070, 36914), (2140, 18457)]