80074720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45497}}^1$

素因数の和:45523

約数の個数: 48

約数和(自身を含む): 206378928

約数和(自身を除く): 126304208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 45497, 90994, 181988, 227485, 363976, 454970, 500467, 727952, 909940, 1000934, 1455904, 1819880, 2001868, 2502335, 3639760, 4003736, 5004670, 7279520, 8007472, 10009340, 16014944, 20018680, 40037360, 80074720]

約数ペア:

[(1, 80074720), (2, 40037360), (4, 20018680), (5, 16014944), (8, 10009340), (10, 8007472), (11, 7279520), (16, 5004670), (20, 4003736), (22, 3639760), (32, 2502335), (40, 2001868), (44, 1819880), (55, 1455904), (80, 1000934), (88, 909940), (110, 727952), (160, 500467), (176, 454970), (220, 363976), (352, 227485), (440, 181988), (880, 90994), (1760, 45497)]