12907540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4643}}^1$

素因数の和:4791

約数の個数: 24

約数和(自身を含む): 27306720

約数和(自身を除く): 14399180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4643, 9286, 18572, 23215, 46430, 92860, 645377, 1290754, 2581508, 3226885, 6453770, 12907540]

約数ペア:

[(1, 12907540), (2, 6453770), (4, 3226885), (5, 2581508), (10, 1290754), (20, 645377), (139, 92860), (278, 46430), (556, 23215), (695, 18572), (1390, 9286), (2780, 4643)]