86981120

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:641

約数の個数: 80

約数和(自身を含む): 212350248

約数和(自身を除く): 125369128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 557, 610, 640, 976, 1114, 1220, 1280, 1952, 2228, 2440, 2560, 2785, 3904, 4456, 4880, 5570, 7808, 8912, 9760, 11140, 15616, 17824, 19520, 22280, 31232, 33977, 35648, 39040, 44560, 67954, 71296, 78080, 89120, 135908, 142592, 156160, 169885, 178240, 271816, 285184, 339770, 356480, 543632, 679540, 712960, 1087264, 1359080, 1425920, 2174528, 2718160, 4349056, 5436320, 8698112, 10872640, 17396224, 21745280, 43490560, 86981120]

約数ペア:

[(1, 86981120), (2, 43490560), (4, 21745280), (5, 17396224), (8, 10872640), (10, 8698112), (16, 5436320), (20, 4349056), (32, 2718160), (40, 2174528), (61, 1425920), (64, 1359080), (80, 1087264), (122, 712960), (128, 679540), (160, 543632), (244, 356480), (256, 339770), (305, 285184), (320, 271816), (488, 178240), (512, 169885), (557, 156160), (610, 142592), (640, 135908), (976, 89120), (1114, 78080), (1220, 71296), (1280, 67954), (1952, 44560), (2228, 39040), (2440, 35648), (2560, 33977), (2785, 31232), (3904, 22280), (4456, 19520), (4880, 17824), (5570, 15616), (7808, 11140), (8912, 9760)]