82079540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 95731660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 503, 796, 820, 995, 1006, 1990, 2012, 2515, 3980, 5030, 8159, 10060, 16318, 20623, 32636, 40795, 41246, 81590, 82492, 100097, 103115, 163180, 200194, 206230, 400388, 412460, 500485, 1000970, 2001940, 4103977, 8207954, 16415908, 20519885, 41039770, 82079540]

約数ペア:

[(1, 82079540), (2, 41039770), (4, 20519885), (5, 16415908), (10, 8207954), (20, 4103977), (41, 2001940), (82, 1000970), (164, 500485), (199, 412460), (205, 400388), (398, 206230), (410, 200194), (503, 163180), (796, 103115), (820, 100097), (995, 82492), (1006, 81590), (1990, 41246), (2012, 40795), (2515, 32636), (3980, 20623), (5030, 16318), (8159, 10060)]