25363820

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2221}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 53381328

約数和(自身を除く): 28017508

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2221, 2284, 2855, 4442, 5710, 8884, 11105, 11420, 22210, 44420, 1268191, 2536382, 5072764, 6340955, 12681910, 25363820]

約数ペア:

[(1, 25363820), (2, 12681910), (4, 6340955), (5, 5072764), (10, 2536382), (20, 1268191), (571, 44420), (1142, 22210), (2221, 11420), (2284, 11105), (2855, 8884), (4442, 5710)]