2560776488

素因数分解:

$2^3\times {\mathrm{311}}^1\times {\mathrm{1029251}}^1$

素因数の和:1029568

約数の個数: 16

約数和(自身を含む): 4816899360

約数和(自身を除く): 2256122872

約数列:

[1, 2, 4, 8, 311, 622, 1244, 2488, 1029251, 2058502, 4117004, 8234008, 320097061, 640194122, 1280388244, 2560776488]

約数ペア:

[(1, 2560776488), (2, 1280388244), (4, 640194122), (8, 320097061), (311, 8234008), (622, 4117004), (1244, 2058502), (2488, 1029251)]