54179420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19489}}^1$

素因数の和:19637

約数の個数: 24

約数和(自身を含む): 114601200

約数和(自身を除く): 60421780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19489, 38978, 77956, 97445, 194890, 389780, 2708971, 5417942, 10835884, 13544855, 27089710, 54179420]

約数ペア:

[(1, 54179420), (2, 27089710), (4, 13544855), (5, 10835884), (10, 5417942), (20, 2708971), (139, 389780), (278, 194890), (556, 97445), (695, 77956), (1390, 38978), (2780, 19489)]