2193080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 4989600

約数和(自身を除く): 2796520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 503, 545, 872, 1006, 1090, 2012, 2180, 2515, 4024, 4360, 5030, 10060, 20120, 54827, 109654, 219308, 274135, 438616, 548270, 1096540, 2193080]

約数ペア:

[(1, 2193080), (2, 1096540), (4, 548270), (5, 438616), (8, 274135), (10, 219308), (20, 109654), (40, 54827), (109, 20120), (218, 10060), (436, 5030), (503, 4360), (545, 4024), (872, 2515), (1006, 2180), (1090, 2012)]