5151640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9931

約数の個数: 32

約数和(自身を含む): 12484080

約数和(自身を除く): 7332440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 9907, 19814, 39628, 49535, 79256, 99070, 128791, 198140, 257582, 396280, 515164, 643955, 1030328, 1287910, 2575820, 5151640]

約数ペア:

[(1, 5151640), (2, 2575820), (4, 1287910), (5, 1030328), (8, 643955), (10, 515164), (13, 396280), (20, 257582), (26, 198140), (40, 128791), (52, 99070), (65, 79256), (104, 49535), (130, 39628), (260, 19814), (520, 9907)]