13256420

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1777}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 27928824

約数和(自身を除く): 14672404

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1777, 1865, 3554, 3730, 7108, 7460, 8885, 17770, 35540, 662821, 1325642, 2651284, 3314105, 6628210, 13256420]

約数ペア:

[(1, 13256420), (2, 6628210), (4, 3314105), (5, 2651284), (10, 1325642), (20, 662821), (373, 35540), (746, 17770), (1492, 8885), (1777, 7460), (1865, 7108), (3554, 3730)]