15760420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60617}}^1$

素因数の和:60639

約数の個数: 24

約数和(自身を含む): 35643384

約数和(自身を除く): 19882964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60617, 121234, 242468, 303085, 606170, 788021, 1212340, 1576042, 3152084, 3940105, 7880210, 15760420]

約数ペア:

[(1, 15760420), (2, 7880210), (4, 3940105), (5, 3152084), (10, 1576042), (13, 1212340), (20, 788021), (26, 606170), (52, 303085), (65, 242468), (130, 121234), (260, 60617)]