557180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 1260672

約数和(自身を除く): 703492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2143, 4286, 8572, 10715, 21430, 27859, 42860, 55718, 111436, 139295, 278590, 557180]

約数ペア:

[(1, 557180), (2, 278590), (4, 139295), (5, 111436), (10, 55718), (13, 42860), (20, 27859), (26, 21430), (52, 10715), (65, 8572), (130, 4286), (260, 2143)]