1256802020

素因数分解:

$2^2\times 5^1\times {\mathrm{6343}}^1\times {\mathrm{9907}}^1$

素因数の和:16259

約数の個数: 24

約数和(自身を含む): 2639966784

約数和(自身を除く): 1383164764

約数列:

[1, 2, 4, 5, 10, 20, 6343, 9907, 12686, 19814, 25372, 31715, 39628, 49535, 63430, 99070, 126860, 198140, 62840101, 125680202, 251360404, 314200505, 628401010, 1256802020]

約数ペア:

[(1, 1256802020), (2, 628401010), (4, 314200505), (5, 251360404), (10, 125680202), (20, 62840101), (6343, 198140), (9907, 126860), (12686, 99070), (19814, 63430), (25372, 49535), (31715, 39628)]