4395880

素因数分解:

$2^3\times 5^1\times {\mathrm{109897}}^1$

素因数の和:109908

約数の個数: 16

約数和(自身を含む): 9890820

約数和(自身を除く): 5494940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109897, 219794, 439588, 549485, 879176, 1098970, 2197940, 4395880]

約数ペア:

[(1, 4395880), (2, 2197940), (4, 1098970), (5, 879176), (8, 549485), (10, 439588), (20, 219794), (40, 109897)]