2021994025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{1319}}^1\times {\mathrm{3607}}^1$

素因数の和:4953

約数の個数: 24

約数和(自身を含む): 2657508480

約数和(自身を除く): 635514455

約数列:

[1, 5, 17, 25, 85, 425, 1319, 3607, 6595, 18035, 22423, 32975, 61319, 90175, 112115, 306595, 560575, 1532975, 4757633, 23788165, 80879761, 118940825, 404398805, 2021994025]

約数ペア:

[(1, 2021994025), (5, 404398805), (17, 118940825), (25, 80879761), (85, 23788165), (425, 4757633), (1319, 1532975), (3607, 560575), (6595, 306595), (18035, 112115), (22423, 90175), (32975, 61319)]