28380410

素因数分解:

$2^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{4217}}^1$

素因数の和:4897

約数の個数: 16

約数和(自身を含む): 51172776

約数和(自身を除く): 22792366

約数列:

[1, 2, 5, 10, 673, 1346, 3365, 4217, 6730, 8434, 21085, 42170, 2838041, 5676082, 14190205, 28380410]

約数ペア:

[(1, 28380410), (2, 14190205), (5, 5676082), (10, 2838041), (673, 42170), (1346, 21085), (3365, 8434), (4217, 6730)]