82511720

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2069}}^1$

素因数の和:3077

約数の個数: 32

約数和(自身を含む): 185927400

約数和(自身を除く): 103415680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 2069, 3988, 4138, 4985, 7976, 8276, 9970, 10345, 16552, 19940, 20690, 39880, 41380, 82760, 2062793, 4125586, 8251172, 10313965, 16502344, 20627930, 41255860, 82511720]

約数ペア:

[(1, 82511720), (2, 41255860), (4, 20627930), (5, 16502344), (8, 10313965), (10, 8251172), (20, 4125586), (40, 2062793), (997, 82760), (1994, 41380), (2069, 39880), (3988, 20690), (4138, 19940), (4985, 16552), (7976, 10345), (8276, 9970)]