25548520

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2273}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 57714120

約数和(自身を除く): 32165600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2273, 2810, 4546, 5620, 9092, 11240, 11365, 18184, 22730, 45460, 90920, 638713, 1277426, 2554852, 3193565, 5109704, 6387130, 12774260, 25548520]

約数ペア:

[(1, 25548520), (2, 12774260), (4, 6387130), (5, 5109704), (8, 3193565), (10, 2554852), (20, 1277426), (40, 638713), (281, 90920), (562, 45460), (1124, 22730), (1405, 18184), (2248, 11365), (2273, 11240), (2810, 9092), (4546, 5620)]