80719408

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65519}}^1$

素因数の和:65545

約数の個数: 40

約数和(自身を含む): 194987520

約数和(自身を除く): 114268112

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 65519, 131038, 262076, 458633, 524152, 720709, 917266, 1048304, 1441418, 1834532, 2882836, 3669064, 5044963, 5765672, 7338128, 10089926, 11531344, 20179852, 40359704, 80719408]

約数ペア:

[(1, 80719408), (2, 40359704), (4, 20179852), (7, 11531344), (8, 10089926), (11, 7338128), (14, 5765672), (16, 5044963), (22, 3669064), (28, 2882836), (44, 1834532), (56, 1441418), (77, 1048304), (88, 917266), (112, 720709), (154, 524152), (176, 458633), (308, 262076), (616, 131038), (1232, 65519)]