10388890

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4139}}^1$

素因数の和:4397

約数の個数: 16

約数和(自身を含む): 18779040

約数和(自身を除く): 8390150

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 4139, 8278, 20695, 41390, 1038889, 2077778, 5194445, 10388890]

約数ペア:

[(1, 10388890), (2, 5194445), (5, 2077778), (10, 1038889), (251, 41390), (502, 20695), (1255, 8278), (2510, 4139)]