25422020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97777}}^1$

素因数の和:97799

約数の個数: 24

約数和(自身を含む): 57493464

約数和(自身を除く): 32071444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97777, 195554, 391108, 488885, 977770, 1271101, 1955540, 2542202, 5084404, 6355505, 12711010, 25422020]

約数ペア:

[(1, 25422020), (2, 12711010), (4, 6355505), (5, 5084404), (10, 2542202), (13, 1955540), (20, 1271101), (26, 977770), (52, 488885), (65, 391108), (130, 195554), (260, 97777)]