8440420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3323}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 17869824

約数和(自身を除く): 9429404

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 3323, 6646, 13292, 16615, 33230, 66460, 422021, 844042, 1688084, 2110105, 4220210, 8440420]

約数ペア:

[(1, 8440420), (2, 4220210), (4, 2110105), (5, 1688084), (10, 844042), (20, 422021), (127, 66460), (254, 33230), (508, 16615), (635, 13292), (1270, 6646), (2540, 3323)]