2808485560

素因数分解:

$2^3\times 5^1\times {\mathrm{70212139}}^1$

素因数の和:70212150

約数の個数: 16

約数和(自身を含む): 6319092600

約数和(自身を除く): 3510607040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 70212139, 140424278, 280848556, 351060695, 561697112, 702121390, 1404242780, 2808485560]

約数ペア:

[(1, 2808485560), (2, 1404242780), (4, 702121390), (5, 561697112), (8, 351060695), (10, 280848556), (20, 140424278), (40, 70212139)]