25454020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12601}}^1$

素因数の和:12711

約数の個数: 24

約数和(自身を含む): 53986968

約数和(自身を除く): 28532948

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12601, 25202, 50404, 63005, 126010, 252020, 1272701, 2545402, 5090804, 6363505, 12727010, 25454020]

約数ペア:

[(1, 25454020), (2, 12727010), (4, 6363505), (5, 5090804), (10, 2545402), (20, 1272701), (101, 252020), (202, 126010), (404, 63005), (505, 50404), (1010, 25202), (2020, 12601)]