1299350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2024

約数の個数: 24

約数和(自身を含む): 2604000

約数和(自身を除く): 1304650

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1999, 3998, 9995, 19990, 25987, 49975, 51974, 99950, 129935, 259870, 649675, 1299350]

約数ペア:

[(1, 1299350), (2, 649675), (5, 259870), (10, 129935), (13, 99950), (25, 51974), (26, 49975), (50, 25987), (65, 19990), (130, 9995), (325, 3998), (650, 1999)]