25874180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12809}}^1$

素因数の和:12919

約数の個数: 24

約数和(自身を含む): 54878040

約数和(自身を除く): 29003860

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12809, 25618, 51236, 64045, 128090, 256180, 1293709, 2587418, 5174836, 6468545, 12937090, 25874180]

約数ペア:

[(1, 25874180), (2, 12937090), (4, 6468545), (5, 5174836), (10, 2587418), (20, 1293709), (101, 256180), (202, 128090), (404, 64045), (505, 51236), (1010, 25618), (2020, 12809)]