66543080

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2239}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 149990400

約数和(自身を除く): 83447320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2239, 2972, 3715, 4478, 5944, 7430, 8956, 11195, 14860, 17912, 22390, 29720, 44780, 89560, 1663577, 3327154, 6654308, 8317885, 13308616, 16635770, 33271540, 66543080]

約数ペア:

[(1, 66543080), (2, 33271540), (4, 16635770), (5, 13308616), (8, 8317885), (10, 6654308), (20, 3327154), (40, 1663577), (743, 89560), (1486, 44780), (2239, 29720), (2972, 22390), (3715, 17912), (4478, 14860), (5944, 11195), (7430, 8956)]