2154527440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2071661}}^1$

素因数の和:2071687

約数の個数: 40

約数和(自身を含む): 5394607848

約数和(自身を除く): 3240080408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2071661, 4143322, 8286644, 10358305, 16573288, 20716610, 26931593, 33146576, 41433220, 53863186, 82866440, 107726372, 134657965, 165732880, 215452744, 269315930, 430905488, 538631860, 1077263720, 2154527440]

約数ペア:

[(1, 2154527440), (2, 1077263720), (4, 538631860), (5, 430905488), (8, 269315930), (10, 215452744), (13, 165732880), (16, 134657965), (20, 107726372), (26, 82866440), (40, 53863186), (52, 41433220), (65, 33146576), (80, 26931593), (104, 20716610), (130, 16573288), (208, 10358305), (260, 8286644), (520, 4143322), (1040, 2071661)]