28863380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15859}}^1$

素因数の和:15888

約数の個数: 48

約数和(自身を含む): 74605440

約数和(自身を除く): 45742060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15859, 31718, 63436, 79295, 111013, 158590, 206167, 222026, 317180, 412334, 444052, 555065, 824668, 1030835, 1110130, 1443169, 2061670, 2220260, 2886338, 4123340, 5772676, 7215845, 14431690, 28863380]

約数ペア:

[(1, 28863380), (2, 14431690), (4, 7215845), (5, 5772676), (7, 4123340), (10, 2886338), (13, 2220260), (14, 2061670), (20, 1443169), (26, 1110130), (28, 1030835), (35, 824668), (52, 555065), (65, 444052), (70, 412334), (91, 317180), (130, 222026), (140, 206167), (182, 158590), (260, 111013), (364, 79295), (455, 63436), (910, 31718), (1820, 15859)]