12882740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49549}}^1$

素因数の和:49571

約数の個数: 24

約数和(自身を含む): 29135400

約数和(自身を除く): 16252660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49549, 99098, 198196, 247745, 495490, 644137, 990980, 1288274, 2576548, 3220685, 6441370, 12882740]

約数ペア:

[(1, 12882740), (2, 6441370), (4, 3220685), (5, 2576548), (10, 1288274), (13, 990980), (20, 644137), (26, 495490), (52, 247745), (65, 198196), (130, 99098), (260, 49549)]