56450420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217117}}^1$

素因数の和:217139

約数の個数: 24

約数和(自身を含む): 127665384

約数和(自身を除く): 71214964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217117, 434234, 868468, 1085585, 2171170, 2822521, 4342340, 5645042, 11290084, 14112605, 28225210, 56450420]

約数ペア:

[(1, 56450420), (2, 28225210), (4, 14112605), (5, 11290084), (10, 5645042), (13, 4342340), (20, 2822521), (26, 2171170), (52, 1085585), (65, 868468), (130, 434234), (260, 217117)]