4003880

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 9072000

約数和(自身を除く): 5068120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 503, 796, 995, 1006, 1592, 1990, 2012, 2515, 3980, 4024, 5030, 7960, 10060, 20120, 100097, 200194, 400388, 500485, 800776, 1000970, 2001940, 4003880]

約数ペア:

[(1, 4003880), (2, 2001940), (4, 1000970), (5, 800776), (8, 500485), (10, 400388), (20, 200194), (40, 100097), (199, 20120), (398, 10060), (503, 7960), (796, 5030), (995, 4024), (1006, 3980), (1592, 2515), (1990, 2012)]