55643090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{40031}}^1$

素因数の和:40177

約数の個数: 16

約数和(自身を含む): 100880640

約数和(自身を除く): 45237550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 40031, 80062, 200155, 400310, 5564309, 11128618, 27821545, 55643090]

約数ペア:

[(1, 55643090), (2, 27821545), (5, 11128618), (10, 5564309), (139, 400310), (278, 200155), (695, 80062), (1390, 40031)]