65660480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6619}}^1$

素因数の和:6667

約数の個数: 56

約数和(自身を含む): 161422080

約数和(自身を除く): 95761600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 6619, 9920, 13238, 26476, 33095, 52952, 66190, 105904, 132380, 205189, 211808, 264760, 410378, 423616, 529520, 820756, 1025945, 1059040, 1641512, 2051890, 2118080, 3283024, 4103780, 6566048, 8207560, 13132096, 16415120, 32830240, 65660480]

約数ペア:

[(1, 65660480), (2, 32830240), (4, 16415120), (5, 13132096), (8, 8207560), (10, 6566048), (16, 4103780), (20, 3283024), (31, 2118080), (32, 2051890), (40, 1641512), (62, 1059040), (64, 1025945), (80, 820756), (124, 529520), (155, 423616), (160, 410378), (248, 264760), (310, 211808), (320, 205189), (496, 132380), (620, 105904), (992, 66190), (1240, 52952), (1984, 33095), (2480, 26476), (4960, 13238), (6619, 9920)]