8557240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 20367360

約数和(自身を除く): 11810120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 103, 124, 134, 155, 206, 248, 268, 310, 335, 412, 515, 536, 620, 670, 824, 1030, 1240, 1340, 2060, 2077, 2680, 3193, 4120, 4154, 6386, 6901, 8308, 10385, 12772, 13802, 15965, 16616, 20770, 25544, 27604, 31930, 34505, 41540, 55208, 63860, 69010, 83080, 127720, 138020, 213931, 276040, 427862, 855724, 1069655, 1711448, 2139310, 4278620, 8557240]

約数ペア:

[(1, 8557240), (2, 4278620), (4, 2139310), (5, 1711448), (8, 1069655), (10, 855724), (20, 427862), (31, 276040), (40, 213931), (62, 138020), (67, 127720), (103, 83080), (124, 69010), (134, 63860), (155, 55208), (206, 41540), (248, 34505), (268, 31930), (310, 27604), (335, 25544), (412, 20770), (515, 16616), (536, 15965), (620, 13802), (670, 12772), (824, 10385), (1030, 8308), (1240, 6901), (1340, 6386), (2060, 4154), (2077, 4120), (2680, 3193)]