78152780

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{14107}}^1$

素因数の和:14393

約数の個数: 24

約数和(自身を含む): 164725008

約数和(自身を除く): 86572228

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 14107, 28214, 56428, 70535, 141070, 282140, 3907639, 7815278, 15630556, 19538195, 39076390, 78152780]

約数ペア:

[(1, 78152780), (2, 39076390), (4, 19538195), (5, 15630556), (10, 7815278), (20, 3907639), (277, 282140), (554, 141070), (1108, 70535), (1385, 56428), (2770, 28214), (5540, 14107)]