509957320

素因数分解:

$2^3\times 5^1\times {\mathrm{12748933}}^1$

素因数の和:12748944

約数の個数: 16

約数和(自身を含む): 1147404060

約数和(自身を除く): 637446740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12748933, 25497866, 50995732, 63744665, 101991464, 127489330, 254978660, 509957320]

約数ペア:

[(1, 509957320), (2, 254978660), (4, 127489330), (5, 101991464), (8, 63744665), (10, 50995732), (20, 25497866), (40, 12748933)]