25421080

素因数分解:

$2^3\times 5^1\times {\mathrm{635527}}^1$

素因数の和:635538

約数の個数: 16

約数和(自身を含む): 57197520

約数和(自身を除く): 31776440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 635527, 1271054, 2542108, 3177635, 5084216, 6355270, 12710540, 25421080]

約数ペア:

[(1, 25421080), (2, 12710540), (4, 6355270), (5, 5084216), (8, 3177635), (10, 2542108), (20, 1271054), (40, 635527)]