2788420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 5914944

約数和(自身を除く): 3126524

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 1303, 2140, 2606, 5212, 6515, 13030, 26060, 139421, 278842, 557684, 697105, 1394210, 2788420]

約数ペア:

[(1, 2788420), (2, 1394210), (4, 697105), (5, 557684), (10, 278842), (20, 139421), (107, 26060), (214, 13030), (428, 6515), (535, 5212), (1070, 2606), (1303, 2140)]