82380475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 105328080

約数和(自身を除く): 22947605

約数列:

[1, 5, 25, 43, 197, 215, 389, 985, 1075, 1945, 4925, 8471, 9725, 16727, 42355, 76633, 83635, 211775, 383165, 418175, 1915825, 3295219, 16476095, 82380475]

約数ペア:

[(1, 82380475), (5, 16476095), (25, 3295219), (43, 1915825), (197, 418175), (215, 383165), (389, 211775), (985, 83635), (1075, 76633), (1945, 42355), (4925, 16727), (8471, 9725)]