2512890640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2416241}}^1$

素因数の和:2416267

約数の個数: 40

約数和(自身を含む): 6291894168

約数和(自身を除く): 3779003528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2416241, 4832482, 9664964, 12081205, 19329928, 24162410, 31411133, 38659856, 48324820, 62822266, 96649640, 125644532, 157055665, 193299280, 251289064, 314111330, 502578128, 628222660, 1256445320, 2512890640]

約数ペア:

[(1, 2512890640), (2, 1256445320), (4, 628222660), (5, 502578128), (8, 314111330), (10, 251289064), (13, 193299280), (16, 157055665), (20, 125644532), (26, 96649640), (40, 62822266), (52, 48324820), (65, 38659856), (80, 31411133), (104, 24162410), (130, 19329928), (208, 12081205), (260, 9664964), (520, 4832482), (1040, 2416241)]