2130040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 3261320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 103, 110, 188, 206, 220, 235, 376, 412, 440, 470, 515, 517, 824, 940, 1030, 1034, 1133, 1880, 2060, 2068, 2266, 2585, 4120, 4136, 4532, 4841, 5170, 5665, 9064, 9682, 10340, 11330, 19364, 20680, 22660, 24205, 38728, 45320, 48410, 53251, 96820, 106502, 193640, 213004, 266255, 426008, 532510, 1065020, 2130040]

約数ペア:

[(1, 2130040), (2, 1065020), (4, 532510), (5, 426008), (8, 266255), (10, 213004), (11, 193640), (20, 106502), (22, 96820), (40, 53251), (44, 48410), (47, 45320), (55, 38728), (88, 24205), (94, 22660), (103, 20680), (110, 19364), (188, 11330), (206, 10340), (220, 9682), (235, 9064), (376, 5665), (412, 5170), (440, 4841), (470, 4532), (515, 4136), (517, 4120), (824, 2585), (940, 2266), (1030, 2068), (1034, 2060), (1133, 1880)]