67742740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260549}}^1$

素因数の和:260571

約数の個数: 24

約数和(自身を含む): 153203400

約数和(自身を除く): 85460660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 260549, 521098, 1042196, 1302745, 2605490, 3387137, 5210980, 6774274, 13548548, 16935685, 33871370, 67742740]

約数ペア:

[(1, 67742740), (2, 33871370), (4, 16935685), (5, 13548548), (10, 6774274), (13, 5210980), (20, 3387137), (26, 2605490), (52, 1302745), (65, 1042196), (130, 521098), (260, 260549)]