51102740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196549}}^1$

素因数の和:196571

約数の個数: 24

約数和(自身を含む): 115571400

約数和(自身を除く): 64468660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 196549, 393098, 786196, 982745, 1965490, 2555137, 3930980, 5110274, 10220548, 12775685, 25551370, 51102740]

約数ペア:

[(1, 51102740), (2, 25551370), (4, 12775685), (5, 10220548), (10, 5110274), (13, 3930980), (20, 2555137), (26, 1965490), (52, 982745), (65, 786196), (130, 393098), (260, 196549)]