6439550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9932

約数の個数: 24

約数和(自身を含む): 12900216

約数和(自身を除く): 6460666

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 9907, 19814, 49535, 99070, 128791, 247675, 257582, 495350, 643955, 1287910, 3219775, 6439550]

約数ペア:

[(1, 6439550), (2, 3219775), (5, 1287910), (10, 643955), (13, 495350), (25, 257582), (26, 247675), (50, 128791), (65, 99070), (130, 49535), (325, 19814), (650, 9907)]