79973840

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2087}}^1$

素因数の和:2579

約数の個数: 40

約数和(自身を含む): 186416640

約数和(自身を除く): 106442800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 2087, 2395, 3832, 4174, 4790, 7664, 8348, 9580, 10435, 16696, 19160, 20870, 33392, 38320, 41740, 83480, 166960, 999673, 1999346, 3998692, 4998365, 7997384, 9996730, 15994768, 19993460, 39986920, 79973840]

約数ペア:

[(1, 79973840), (2, 39986920), (4, 19993460), (5, 15994768), (8, 9996730), (10, 7997384), (16, 4998365), (20, 3998692), (40, 1999346), (80, 999673), (479, 166960), (958, 83480), (1916, 41740), (2087, 38320), (2395, 33392), (3832, 20870), (4174, 19160), (4790, 16696), (7664, 10435), (8348, 9580)]