82720

素因数分解:

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

素因数の和:73

約数の個数: 48

約数和(自身を含む): 217728

約数和(自身を除く): 135008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 220, 235, 352, 376, 440, 470, 517, 752, 880, 940, 1034, 1504, 1760, 1880, 2068, 2585, 3760, 4136, 5170, 7520, 8272, 10340, 16544, 20680, 41360, 82720]

約数ペア:

[(1, 82720), (2, 41360), (4, 20680), (5, 16544), (8, 10340), (10, 8272), (11, 7520), (16, 5170), (20, 4136), (22, 3760), (32, 2585), (40, 2068), (44, 1880), (47, 1760), (55, 1504), (80, 1034), (88, 940), (94, 880), (110, 752), (160, 517), (176, 470), (188, 440), (220, 376), (235, 352)]