25810940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6551}}^1$

素因数の和:6757

約数の個数: 24

約数和(自身を含む): 54486432

約数和(自身を除く): 28675492

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 6551, 13102, 26204, 32755, 65510, 131020, 1290547, 2581094, 5162188, 6452735, 12905470, 25810940]

約数ペア:

[(1, 25810940), (2, 12905470), (4, 6452735), (5, 5162188), (10, 2581094), (20, 1290547), (197, 131020), (394, 65510), (788, 32755), (985, 26204), (1970, 13102), (3940, 6551)]