127718560

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8969}}^1$

素因数の和:9073

約数の個数: 48

約数和(自身を含む): 305159400

約数和(自身を除く): 177440840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 8969, 14240, 17938, 35876, 44845, 71752, 89690, 143504, 179380, 287008, 358760, 717520, 798241, 1435040, 1596482, 3192964, 3991205, 6385928, 7982410, 12771856, 15964820, 25543712, 31929640, 63859280, 127718560]

約数ペア:

[(1, 127718560), (2, 63859280), (4, 31929640), (5, 25543712), (8, 15964820), (10, 12771856), (16, 7982410), (20, 6385928), (32, 3991205), (40, 3192964), (80, 1596482), (89, 1435040), (160, 798241), (178, 717520), (356, 358760), (445, 287008), (712, 179380), (890, 143504), (1424, 89690), (1780, 71752), (2848, 44845), (3560, 35876), (7120, 17938), (8969, 14240)]