28292920

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1051}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 63814320

約数和(自身を除く): 35521400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1051, 1346, 2102, 2692, 3365, 4204, 5255, 5384, 6730, 8408, 10510, 13460, 21020, 26920, 42040, 707323, 1414646, 2829292, 3536615, 5658584, 7073230, 14146460, 28292920]

約数ペア:

[(1, 28292920), (2, 14146460), (4, 7073230), (5, 5658584), (8, 3536615), (10, 2829292), (20, 1414646), (40, 707323), (673, 42040), (1051, 26920), (1346, 21020), (2102, 13460), (2692, 10510), (3365, 8408), (4204, 6730), (5255, 5384)]