102660400

素因数分解:

$2^4\times 5^2\times {\mathrm{256651}}^1$

素因数の和:256669

約数の個数: 30

約数和(自身を含む): 246642572

約数和(自身を除く): 143982172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 256651, 513302, 1026604, 1283255, 2053208, 2566510, 4106416, 5133020, 6416275, 10266040, 12832550, 20532080, 25665100, 51330200, 102660400]

約数ペア:

[(1, 102660400), (2, 51330200), (4, 25665100), (5, 20532080), (8, 12832550), (10, 10266040), (16, 6416275), (20, 5133020), (25, 4106416), (40, 2566510), (50, 2053208), (80, 1283255), (100, 1026604), (200, 513302), (400, 256651)]