28453520

素因数分解:

$2^4\times 5^1\times {\mathrm{355669}}^1$

素因数の和:355682

約数の個数: 20

約数和(自身を含む): 66154620

約数和(自身を除く): 37701100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355669, 711338, 1422676, 1778345, 2845352, 3556690, 5690704, 7113380, 14226760, 28453520]

約数ペア:

[(1, 28453520), (2, 14226760), (4, 7113380), (5, 5690704), (8, 3556690), (10, 2845352), (16, 1778345), (20, 1422676), (40, 711338), (80, 355669)]