51570740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198349}}^1$

素因数の和:198371

約数の個数: 24

約数和(自身を含む): 116629800

約数和(自身を除く): 65059060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198349, 396698, 793396, 991745, 1983490, 2578537, 3966980, 5157074, 10314148, 12892685, 25785370, 51570740]

約数ペア:

[(1, 51570740), (2, 25785370), (4, 12892685), (5, 10314148), (10, 5157074), (13, 3966980), (20, 2578537), (26, 1983490), (52, 991745), (65, 793396), (130, 396698), (260, 198349)]