28901560

素因数分解:

$2^3\times 5^1\times {\mathrm{722539}}^1$

素因数の和:722550

約数の個数: 16

約数和(自身を含む): 65028600

約数和(自身を除く): 36127040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 722539, 1445078, 2890156, 3612695, 5780312, 7225390, 14450780, 28901560]

約数ペア:

[(1, 28901560), (2, 14450780), (4, 7225390), (5, 5780312), (8, 3612695), (10, 2890156), (20, 1445078), (40, 722539)]