36000400

素因数分解:

$2^4\times 5^2\times {\mathrm{90001}}^1$

素因数の和:90019

約数の個数: 30

約数和(自身を含む): 86491922

約数和(自身を除く): 50491522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 90001, 180002, 360004, 450005, 720008, 900010, 1440016, 1800020, 2250025, 3600040, 4500050, 7200080, 9000100, 18000200, 36000400]

約数ペア:

[(1, 36000400), (2, 18000200), (4, 9000100), (5, 7200080), (8, 4500050), (10, 3600040), (16, 2250025), (20, 1800020), (25, 1440016), (40, 900010), (50, 720008), (80, 450005), (100, 360004), (200, 180002), (400, 90001)]