40390045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{739}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 51468480

約数和(自身を除く): 11078435

約数列:

[1, 5, 17, 85, 643, 739, 3215, 3695, 10931, 12563, 54655, 62815, 475177, 2375885, 8078009, 40390045]

約数ペア:

[(1, 40390045), (5, 8078009), (17, 2375885), (85, 475177), (643, 62815), (739, 54655), (3215, 12563), (3695, 10931)]