5161720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3001}}^1$

素因数の和:3055

約数の個数: 32

約数和(自身を含む): 11887920

約数和(自身を除く): 6726200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3001, 6002, 12004, 15005, 24008, 30010, 60020, 120040, 129043, 258086, 516172, 645215, 1032344, 1290430, 2580860, 5161720]

約数ペア:

[(1, 5161720), (2, 2580860), (4, 1290430), (5, 1032344), (8, 645215), (10, 516172), (20, 258086), (40, 129043), (43, 120040), (86, 60020), (172, 30010), (215, 24008), (344, 15005), (430, 12004), (860, 6002), (1720, 3001)]