2486140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 5255712

約数和(自身を除く): 2769572

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 631, 788, 985, 1262, 1970, 2524, 3155, 3940, 6310, 12620, 124307, 248614, 497228, 621535, 1243070, 2486140]

約数ペア:

[(1, 2486140), (2, 1243070), (4, 621535), (5, 497228), (10, 248614), (20, 124307), (197, 12620), (394, 6310), (631, 3940), (788, 3155), (985, 2524), (1262, 1970)]