12356720

素因数分解:

$2^4\times 5^1\times {\mathrm{154459}}^1$

素因数の和:154472

約数の個数: 20

約数和(自身を含む): 28729560

約数和(自身を除く): 16372840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154459, 308918, 617836, 772295, 1235672, 1544590, 2471344, 3089180, 6178360, 12356720]

約数ペア:

[(1, 12356720), (2, 6178360), (4, 3089180), (5, 2471344), (8, 1544590), (10, 1235672), (16, 772295), (20, 617836), (40, 308918), (80, 154459)]