25222580

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^2$

素因数の和:2255

約数の個数: 18

約数和(自身を含む): 53014626

約数和(自身を除く): 27792046

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 11230, 22460, 1261129, 2522258, 5044516, 6305645, 12611290, 25222580]

約数ペア:

[(1, 25222580), (2, 12611290), (4, 6305645), (5, 5044516), (10, 2522258), (20, 1261129), (1123, 22460), (2246, 11230), (4492, 5615)]