28073560

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2011}}^1$

素因数の和:2371

約数の個数: 32

約数和(自身を含む): 63378000

約数和(自身を除く): 35304440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2011, 2792, 3490, 4022, 6980, 8044, 10055, 13960, 16088, 20110, 40220, 80440, 701839, 1403678, 2807356, 3509195, 5614712, 7018390, 14036780, 28073560]

約数ペア:

[(1, 28073560), (2, 14036780), (4, 7018390), (5, 5614712), (8, 3509195), (10, 2807356), (20, 1403678), (40, 701839), (349, 80440), (698, 40220), (1396, 20110), (1745, 16088), (2011, 13960), (2792, 10055), (3490, 8044), (4022, 6980)]