80988080

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12197}}^1$

素因数の和:12293

約数の個数: 40

約数和(自身を含む): 190581552

約数和(自身を除く): 109593472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 12197, 24394, 48788, 60985, 97576, 121970, 195152, 243940, 487880, 975760, 1012351, 2024702, 4049404, 5061755, 8098808, 10123510, 16197616, 20247020, 40494040, 80988080]

約数ペア:

[(1, 80988080), (2, 40494040), (4, 20247020), (5, 16197616), (8, 10123510), (10, 8098808), (16, 5061755), (20, 4049404), (40, 2024702), (80, 1012351), (83, 975760), (166, 487880), (332, 243940), (415, 195152), (664, 121970), (830, 97576), (1328, 60985), (1660, 48788), (3320, 24394), (6640, 12197)]