6420580

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 13547520

約数和(自身を除く): 7126940

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 1279, 2510, 2558, 5020, 5116, 6395, 12790, 25580, 321029, 642058, 1284116, 1605145, 3210290, 6420580]

約数ペア:

[(1, 6420580), (2, 3210290), (4, 1605145), (5, 1284116), (10, 642058), (20, 321029), (251, 25580), (502, 12790), (1004, 6395), (1255, 5116), (1279, 5020), (2510, 2558)]