40260505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1523}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 51352704

約数和(自身を除く): 11092199

約数列:

[1, 5, 17, 85, 311, 1523, 1555, 5287, 7615, 25891, 26435, 129455, 473653, 2368265, 8052101, 40260505]

約数ペア:

[(1, 40260505), (5, 8052101), (17, 2368265), (85, 473653), (311, 129455), (1523, 26435), (1555, 25891), (5287, 7615)]