80445905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 25998895

約数列:

[1, 5, 19, 43, 47, 95, 215, 235, 419, 817, 893, 2021, 2095, 4085, 4465, 7961, 10105, 18017, 19693, 38399, 39805, 90085, 98465, 191995, 342323, 374167, 846799, 1711615, 1870835, 4233995, 16089181, 80445905]

約数ペア:

[(1, 80445905), (5, 16089181), (19, 4233995), (43, 1870835), (47, 1711615), (95, 846799), (215, 374167), (235, 342323), (419, 191995), (817, 98465), (893, 90085), (2021, 39805), (2095, 38399), (4085, 19693), (4465, 18017), (7961, 10105)]