528400

素因数分解:

$2^4\times 5^2\times {\mathrm{1321}}^1$

素因数の和:1339

約数の個数: 30

約数和(自身を含む): 1270442

約数和(自身を除く): 742042

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1321, 2642, 5284, 6605, 10568, 13210, 21136, 26420, 33025, 52840, 66050, 105680, 132100, 264200, 528400]

約数ペア:

[(1, 528400), (2, 264200), (4, 132100), (5, 105680), (8, 66050), (10, 52840), (16, 33025), (20, 26420), (25, 21136), (40, 13210), (50, 10568), (80, 6605), (100, 5284), (200, 2642), (400, 1321)]