124893520

素因数分解:

$2^4\times 5^1\times {\mathrm{1561169}}^1$

素因数の和:1561182

約数の個数: 20

約数和(自身を含む): 290377620

約数和(自身を除く): 165484100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1561169, 3122338, 6244676, 7805845, 12489352, 15611690, 24978704, 31223380, 62446760, 124893520]

約数ペア:

[(1, 124893520), (2, 62446760), (4, 31223380), (5, 24978704), (8, 15611690), (10, 12489352), (16, 7805845), (20, 6244676), (40, 3122338), (80, 1561169)]