8342840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 20856960

約数和(自身を除く): 12514120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 283, 335, 440, 536, 566, 670, 737, 1132, 1340, 1415, 1474, 2264, 2680, 2830, 2948, 3113, 3685, 5660, 5896, 6226, 7370, 11320, 12452, 14740, 15565, 18961, 24904, 29480, 31130, 37922, 62260, 75844, 94805, 124520, 151688, 189610, 208571, 379220, 417142, 758440, 834284, 1042855, 1668568, 2085710, 4171420, 8342840]

約数ペア:

[(1, 8342840), (2, 4171420), (4, 2085710), (5, 1668568), (8, 1042855), (10, 834284), (11, 758440), (20, 417142), (22, 379220), (40, 208571), (44, 189610), (55, 151688), (67, 124520), (88, 94805), (110, 75844), (134, 62260), (220, 37922), (268, 31130), (283, 29480), (335, 24904), (440, 18961), (536, 15565), (566, 14740), (670, 12452), (737, 11320), (1132, 7370), (1340, 6226), (1415, 5896), (1474, 5660), (2264, 3685), (2680, 3113), (2830, 2948)]