60000400

素因数分解:

$2^4\times 5^2\times {\mathrm{150001}}^1$

素因数の和:150019

約数の個数: 30

約数和(自身を含む): 144151922

約数和(自身を除く): 84151522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 150001, 300002, 600004, 750005, 1200008, 1500010, 2400016, 3000020, 3750025, 6000040, 7500050, 12000080, 15000100, 30000200, 60000400]

約数ペア:

[(1, 60000400), (2, 30000200), (4, 15000100), (5, 12000080), (8, 7500050), (10, 6000040), (16, 3750025), (20, 3000020), (25, 2400016), (40, 1500010), (50, 1200008), (80, 750005), (100, 600004), (200, 300002), (400, 150001)]