85696280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15413}}^1$

素因数の和:15563

約数の個数: 32

約数和(自身を含む): 194216400

約数和(自身を除く): 108520120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15413, 30826, 61652, 77065, 123304, 154130, 308260, 616520, 2142407, 4284814, 8569628, 10712035, 17139256, 21424070, 42848140, 85696280]

約数ペア:

[(1, 85696280), (2, 42848140), (4, 21424070), (5, 17139256), (8, 10712035), (10, 8569628), (20, 4284814), (40, 2142407), (139, 616520), (278, 308260), (556, 154130), (695, 123304), (1112, 77065), (1390, 61652), (2780, 30826), (5560, 15413)]