1956253520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{17257}}^1$

素因数の和:17392

約数の個数: 80

約数和(自身を含む): 4943381520

約数和(自身を除く): 2987128000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 872, 1040, 1090, 1417, 1744, 2180, 2834, 4360, 5668, 7085, 8720, 11336, 14170, 17257, 22672, 28340, 34514, 56680, 69028, 86285, 113360, 138056, 172570, 224341, 276112, 345140, 448682, 690280, 897364, 1121705, 1380560, 1794728, 1881013, 2243410, 3589456, 3762026, 4486820, 7524052, 8973640, 9405065, 15048104, 17947280, 18810130, 24453169, 30096208, 37620260, 48906338, 75240520, 97812676, 122265845, 150481040, 195625352, 244531690, 391250704, 489063380, 978126760, 1956253520]

約数ペア:

[(1, 1956253520), (2, 978126760), (4, 489063380), (5, 391250704), (8, 244531690), (10, 195625352), (13, 150481040), (16, 122265845), (20, 97812676), (26, 75240520), (40, 48906338), (52, 37620260), (65, 30096208), (80, 24453169), (104, 18810130), (109, 17947280), (130, 15048104), (208, 9405065), (218, 8973640), (260, 7524052), (436, 4486820), (520, 3762026), (545, 3589456), (872, 2243410), (1040, 1881013), (1090, 1794728), (1417, 1380560), (1744, 1121705), (2180, 897364), (2834, 690280), (4360, 448682), (5668, 345140), (7085, 276112), (8720, 224341), (11336, 172570), (14170, 138056), (17257, 113360), (22672, 86285), (28340, 69028), (34514, 56680)]