25775440

素因数分解:

$2^4\times 5^1\times {\mathrm{322193}}^1$

素因数の和:322206

約数の個数: 20

約数和(自身を含む): 59928084

約数和(自身を除く): 34152644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 322193, 644386, 1288772, 1610965, 2577544, 3221930, 5155088, 6443860, 12887720, 25775440]

約数ペア:

[(1, 25775440), (2, 12887720), (4, 6443860), (5, 5155088), (8, 3221930), (10, 2577544), (16, 1610965), (20, 1288772), (40, 644386), (80, 322193)]