2001940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 4233600

約数和(自身を除く): 2231660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 503, 796, 995, 1006, 1990, 2012, 2515, 3980, 5030, 10060, 100097, 200194, 400388, 500485, 1000970, 2001940]

約数ペア:

[(1, 2001940), (2, 1000970), (4, 500485), (5, 400388), (10, 200194), (20, 100097), (199, 10060), (398, 5030), (503, 3980), (796, 2515), (995, 2012), (1006, 1990)]