7422740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28549}}^1$

素因数の和:28571

約数の個数: 24

約数和(自身を含む): 16787400

約数和(自身を除く): 9364660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28549, 57098, 114196, 142745, 285490, 371137, 570980, 742274, 1484548, 1855685, 3711370, 7422740]

約数ペア:

[(1, 7422740), (2, 3711370), (4, 1855685), (5, 1484548), (10, 742274), (13, 570980), (20, 371137), (26, 285490), (52, 142745), (65, 114196), (130, 57098), (260, 28549)]