85655480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1031}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 202106880

約数和(自身を除く): 116451400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 670, 1031, 1240, 1340, 2062, 2077, 2680, 4124, 4154, 5155, 8248, 8308, 10310, 10385, 16616, 20620, 20770, 31961, 41240, 41540, 63922, 69077, 83080, 127844, 138154, 159805, 255688, 276308, 319610, 345385, 552616, 639220, 690770, 1278440, 1381540, 2141387, 2763080, 4282774, 8565548, 10706935, 17131096, 21413870, 42827740, 85655480]

約数ペア:

[(1, 85655480), (2, 42827740), (4, 21413870), (5, 17131096), (8, 10706935), (10, 8565548), (20, 4282774), (31, 2763080), (40, 2141387), (62, 1381540), (67, 1278440), (124, 690770), (134, 639220), (155, 552616), (248, 345385), (268, 319610), (310, 276308), (335, 255688), (536, 159805), (620, 138154), (670, 127844), (1031, 83080), (1240, 69077), (1340, 63922), (2062, 41540), (2077, 41240), (2680, 31961), (4124, 20770), (4154, 20620), (5155, 16616), (8248, 10385), (8308, 10310)]