5720720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1719

約数の個数: 40

約数和(自身を含む): 13618176

約数和(自身を除く): 7897456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1663, 1720, 3326, 3440, 6652, 8315, 13304, 16630, 26608, 33260, 66520, 71509, 133040, 143018, 286036, 357545, 572072, 715090, 1144144, 1430180, 2860360, 5720720]

約数ペア:

[(1, 5720720), (2, 2860360), (4, 1430180), (5, 1144144), (8, 715090), (10, 572072), (16, 357545), (20, 286036), (40, 143018), (43, 133040), (80, 71509), (86, 66520), (172, 33260), (215, 26608), (344, 16630), (430, 13304), (688, 8315), (860, 6652), (1663, 3440), (1720, 3326)]