2561279968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{6156923}}^1$

素因数の和:6156946

約数の個数: 24

約数和(自身を含む): 5430406968

約数和(自身を除く): 2869127000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 6156923, 12313846, 24627692, 49255384, 80039999, 98510768, 160079998, 197021536, 320159996, 640319992, 1280639984, 2561279968]

約数ペア:

[(1, 2561279968), (2, 1280639984), (4, 640319992), (8, 320159996), (13, 197021536), (16, 160079998), (26, 98510768), (32, 80039999), (52, 49255384), (104, 24627692), (208, 12313846), (416, 6156923)]