8531720

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 19293120

約数和(自身を除く): 10761400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 811, 1052, 1315, 1622, 2104, 2630, 3244, 4055, 5260, 6488, 8110, 10520, 16220, 32440, 213293, 426586, 853172, 1066465, 1706344, 2132930, 4265860, 8531720]

約数ペア:

[(1, 8531720), (2, 4265860), (4, 2132930), (5, 1706344), (8, 1066465), (10, 853172), (20, 426586), (40, 213293), (263, 32440), (526, 16220), (811, 10520), (1052, 8110), (1315, 6488), (1622, 5260), (2104, 4055), (2630, 3244)]